Showing posts with label Non Leather project. Show all posts
Showing posts with label Non Leather project. Show all posts

Precuation and possible risk with Laser engraving / cutter - レーザー彫刻/カッターの注意事項とリスク - 激光雕刻/切割的注意事项和潜在风险

Laser use require precuation in very aspect of operation, it is very important in the business as injury could be serious and life threaten in certain situation. It is better to be safe than to be sorry and some injury is high risk if improper precuation is lacking.

This is real issue we have to face out right as it great challencges in the use of this equipment we have be cautios .

As along we have this in mind in our daily operation, as with any operation risk we have face head on and let our guard down and take thing for granted.

レーザーの使用は、あらゆる操作において予防措置を講じる必要があります。これは、状況によっては重傷や生命に関わる可能性があるため、業務上非常に重要です。後悔するよりも安全第一であり、不適切な予防措置を講じないと、重大な傷害を負うリスクが高くなります。

これは、この機器の使用において大きな課題となるため、私たちが真摯に向き合わなければならない現実的な問題です。私たちは常に注意を払う必要があります。

私たちは日々の業務においてこのことを念頭に置いていますが、他のあらゆる操作上のリスクと同様に、私たちは正面から向き合い、油断して物事を軽視しがちです。


激光设备的使用在操作的各个方面都需要谨慎,这在商业活动中至关重要,因为在某些情况下,受伤可能非常严重,甚至危及生命。安全胜于后悔,如果缺乏适当的预防措施,某些伤害的风险很高。

这是我们必须正视的现实问题,因为使用这种设备极具挑战性,我们必须谨慎行事。

只要我们在日常操作中牢记这一点,就像对待任何操作风险一样,我们就不能掉以轻心,也不能掉以轻心。

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https://www.youtube.com/watch?v=IY2tm_PCAps

Laser engraver safety precautions,17th Dec 2022

 The Clack Shack

5,095 views 17 Dec 2022                           THE CLACK SHACK

So you have a laser now, my tips to being safe while enjoying the hobby to its fullest. Links below for items that I discuss. 

For templates that I have made, check out my Etsy shop. I build files for projects and tools for laser engravers. https://www.etsy.com/shop/TheClackShack 

For Clack Shack shirts, check out my store: https://the-clack-shack.creator-sprin... 

The links below are affiliate links that will direct you to the product in this video. If you use this link for a purchase, I will receive a commission from the purchase. I remain unbiased and honest in my assessment as always. 

My XTool link: https://www.xtool.com/?ref=TheClackSh... 

Fire suppresion can- https://amzn.to/3YsEhmT Free mascot diode glasses- https://amzn.to/3BHupvU Marine fire extinguisher- https://amzn.to/3hzxvuM Smoke detector- https://amzn.to/3BHtagb Laser safe enclosure plexiglass- https://jtechphotonics.com/?product=4...

https://www.youtube.com/watch?v=x2h0p-pBQnk

Dangerous vs. Safe Laser Materials (Crash Course), 30th September 2024

 ChalkWatts

17,292 views 30 Sept 2024

Get my free Lightburn Starter Kit files on my email newsletter: https://go.chalkwatts.com/laser-maker...

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Lasers I Use: Xtool D1 Pro, and Xtool P2 Buying an Xtool product? You can support my channel (at no cost to you) by buying through my Xtool Affiliate link here: https://www.xtool.com/?ref=Ul86fwWkiD... 

Sources: 

https://cpl.org/wp-content/uploads/NE... 

https://www.xometry.com/resources/she... https://baisonlaser.com/blog/laser-cu... 

https://www.usply.net/news/different-.... 

Example of the Columbia Forest Products plywood I use: https://www.homedepot.com/p/Columbia-...

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* Note: This is trail use of "Google Translate" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.

* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳が意味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。

* 注:这是使用“谷歌翻译”应用程序从英语翻译成日语的尝试,如果翻译不通顺或有不恰当的词语或句子,敬请谅解,并请告知,谢谢。

                                          👦    End of  document   👴

Interesting topic is about Chat GPT related to leathercraft - 興味深いトピックはレザークラフトに関するチャットGPTについてです

 Hello ALL an interesting and HOT topic cropped up is Chat GPT (information retrive / gathering) use in our daily life for any application like leathercraft, Knowledge, Experience from other expert, Any topic of interest BUT there are there any limitation, like how accurate, does it gather all "old data" to support (share one question which is bugging my mind)

Like any tools do bear in mind there are no one answer and are trustworthy, it still need a human brain to scan and decide how to best use it in your application. This is my opion only solely from my expereince and past know how inform.


One example I have choosen to ask this software is there a new tools that can machine be use to duplicate the human doing hand stiching on leather work?

This is a the answer from Chat GPT....interesting answer.

皆さん、こんにちは。Chat GPT(情報取得/収集)について、興味深くホットな話題が浮上しました。革細工などの日常生活におけるあらゆる用途で活用できます。他の専門家からの知識、経験、興味のあるトピックなど、様々な用途に活用できます。しかし、精度の限界や、裏付けとなる「古いデータ」をすべて収集できるかどうかなど、何か制限があるのでしょうか?(頭を悩ませている疑問を一つ共有します。)


他のツールと同様に、信頼できる唯一の答えは存在しないことを覚えておいてください。人間の脳がスキャンし、アプリケーションに最適な方法を判断する必要があります。これは私の経験と過去のノウハウに基づく意見です。


このソフトウェアについて質問したいことの一つは、革細工における人間の手縫いを機械で再現できる新しいツールはありますか?


これはChat GPTからの回答です…興味深い回答ですね。

You said:

You are an expert in leathercraft and sewing machines. 

Can you find out if there is any sewing machine that duplicates the handstitching. 


Ask any clarifying questions before you start deep research 

ChatGPT said:

To help narrow this down, could you clarify a few details:


Are you referring specifically to the saddle stitch look (common in hand-stitched leathercraft)?


What kind of materials are you stitching—just leather, or also canvas, nylon, etc.?


Do you have any constraints (e.g. budget, machine size, power source, domestic vs. industrial)?


Are you open to specialty machines or modifications (e.g. needle feed or twin-needle machines)?


This will help me identify machines that best replicate true handstitching.


You said:

1 yes

2 canvas and leather

3 no budget 

4 yes 

ChatGPT said:

Thanks! I’ll look into sewing machines capable of duplicating the appearance and strength of traditional saddle stitching by hand, for use on leather and canvas. I’ll include both industrial and specialty machines, even ones that require modifications or accessories, since there’s no budget limit. I’ll let you know as soon as I’ve gathered the best options and insights.


Research completed in 7m · 23 sources · 90 searches

Sewing Machines for Saddle-Stitch–Style Leathercraft

Saddle stitch (hand) vs machine: Hand-stitched saddle stitch uses two needles and waxed threads passed through each hole, creating two independent interlocked seams. This makes saddle stitching extremely durable – if one thread breaks the other still holds the seam

corterleather.com

hooptalent.com

. By contrast, a standard sewing machine produces a lockstitch: one top thread interlocked with one bobbin thread. A lockstitch unravels if the bobbin thread breaks (and vice versa). Thus “true” saddle stitch – two threads alternately locking – cannot be done by a conventional machine

corterleather.com

. Instead, machines can simulate the saddle-stitch look and add strength by using two parallel lockstitch lines (twin-needle machines) or special stitches. True saddle-stitch machines: Very few industrial machines claim a “saddle stitch” function. For example, the Union Special 100 (aka “Prick/Saddle Stitch”) is a specialized cylinder-bed machine marketed for light-to-heavy materials including leather

industrialsewing.co.uk

. It uses a single-needle “prick stitch” that approximates the hand stitch, but it is still a lock rather than two independent threads. In practice, most leatherworkers accept that no off-the-shelf machine makes a genuine saddle stitch; instead, they use twin-needle lockstitch machines or decorative settings that yield a similar appearance and enhanced strength

corterleather.com

hooptalent.com

. Figure: TechSew 20618-2 heavy-duty industrial sewing machine (2-needle walking foot). Such machines sew two parallel lockstitch seams for a saddle-like look

techsew.com

hooptalent.com

.

Twin-Needle Walking-Foot (Double-Lock) Machines

Heavy leather goods manufacturers often use double-needle lockstitch machines. These have two side-by-side needles and two bobbins, producing parallel lockstitch lines. Each needle has its own top and bobbin thread, creating two independent stitches. By design, if one needle/thread fails, the other line still holds the seam – much like the hand saddle stitch’s redundancy

hooptalent.com

hooptalent.com

. Although still not a true saddle stitch, this “double-lockstitch” is very strong and gives an appearance similar to hand stitching. Key models include:

TechSew 20618-2 (USA): A 2-needle walking-foot flatbed machine for leather and canvas. Compound feed (walking foot) drives the material, and the needles are ¼″ apart (upgradeable to 3/8″ or 1/2″ spacing)

techsew.com

. It handles up to ~10 mm (⅜″) thick leather, with high presser-foot lift and large hook/bobbin for long stitches

techsew.com

. It sews leather, vinyl, canvas, upholstery, etc., and is used in upholstery, automotive and sports gear

techsew.com

. Pros: very heavy-duty, reversible stitching, servo motor, large bobbin, strong feed. Cons: bulky, expensive, single-angle (flatbed only).

ConSew (CS) P2339RB series (Taiwan/China): Many models (e.g. 327RB-2) offer split-needle double-head machines. For example, the ConSew 327RB-2 is a double-needle, split-bar, needle-feed, drop-feed lockstitch machine

jacksew.com

. It supports heavy fabrics (leather, canvas), with adjustable stitch length and high foot clearance. It can be run as a single needle by removing one needle if needed. Pros: robust frame, needle-feed for heavy layers, adjustable stitch length. Cons: also large and pricey, requires industrial setup.

Pfaff 1246 (Germany): A world-famous double-needle flatbed machine with unison feed (compound needle+puller feed)

pfaff-industrial.com

pfaff-industrial.com

. It has a large vertical rotary hook (extra bobbin capacity) and high feed lift (7 mm feed, 14 mm foot clearance

pfaff-industrial.com

) for sewing thick leather goods. Pfaff markets it for “upholstery, leather clothing, leather goods”

pfaff-industrial.com

. Pros: Unison feed ensures even fabric motion, very high stitch quality, industrial durability. Cons: Very expensive, heavy, flatbed (no cylinder).

Durkopp-Adler 867 (Germany): A premium double-needle walking-foot heavy-duty machine. It features triple feeding (walking foot + needle feed + bottom feed) and can sew up to 12 mm stitch length

foxsew.en.made-in-china.com

. (A vendor description notes it has “bottom feed, needle feed and alternating feet” and automatic presser lifter

foxsew.en.made-in-china.com

.) The 867 is geared for leather furniture, automotive upholstery, belts, bags, etc.

foxsew.en.made-in-china.com

. Pros: Extreme power and penetration, automatic functions (foot lift, trimming), huge bobbin. Cons: Very costly, complex, industrial-scale.

All these double-needle machines produce parallel lock stitches that mimic a saddle stitch’s look. As HoopTalent notes, “two independent lock stitches that reinforce each other” make double-needle seams ideal for heavy fabrics like leather

hooptalent.com

. In fact, even if one thread breaks, the other line keeps the seam intact

hooptalent.com

, greatly improving durability over a single lockstitch seam.

Single-Needle Heavy-Duty Machines

For many leathercrafters (especially hobbyists or small shops), a single-needle walking-foot or compound-feed machine suffices. These machines sew a standard lockstitch (one needle, one bobbin thread), but heavy-duty models can handle thick leather and canvas. They don’t replicate saddle stitching, but with thick thread (#69 or #92) and long stitches they produce a rugged seam. Popular examples:

Sailrite Leatherwork / Ultrafeed (USA): A compact single-needle walking-foot machine based on Sailrite’s Ultrafeed. Specially tuned to sew up to 16 oz (~5 mm) leather

sailrite.com

. It has knurled feet and feed dogs to grip leather without marking it, plus a powerful 3/4 hp servo motor

sailrite.com

. Sailrite’s Leatherwork machine can sew upholstery leather, belt/saddle leather and even canvas and denim

sailrite.com

sailrite.com

. It is table-mounted (flatbed) but also sold with an optional Cylindrical platform. Pros: Relatively affordable, portable, easy to use, good support. Cons: Maxes out ~5 mm leather; only single lockstitch; relatively slow.

Singer 111W/112W (vintage Japan/China): Iconic walking-foot lockstitch machines (often found used). With #138 heavy needles they sew up to about 6 mm leather

leatherworker.net

. These cast-iron machines (and their modern clones, e.g. Singer 20U) have high power and are still used for upholstery/leather. Pros: Robust, simple, proven feed; parts availability. Cons: No servo/electronic control (usually clutch motor), limited to one needle.

Juki DNU-1541 or Juki LU-1181 (Japan): Modern industrial single-needle walking-foot machines for leather. The DNU-1541 is long-arm (sleeve style) with powerful feed for multiple layers (used for footwear and belt loops). The LU-1181 is a flatbed walking-foot machine. Both can handle heavy materials and #138–#207 thread. Pros: High speed, programmable, global support. Cons: Very expensive, needs 220 V power.

Consew 206RB / 206RBL (USA): Single-needle heavy machines with compound feed. The 206RB is flatbed; the 206RBL is long arm. These have a presser-foot that drops and rises in sync (Compound feed), improving control over thick layers. They handle upholstery, leather and canvas (similar to Singer 111W design). Pros: Proven in marine/auto upholstery. Cons: Also older models, parts can be scarce; heavy.

Home/Overlock/Decorator Machines: High-end home machines (e.g. Janome MC15000, Brother Innov-is, etc.) have decorative “saddle-stitch” patterns or a twin-needle zigzag that mimics saddle. However, these are mostly for aesthetics and typically use thinner thread. They are not recommended for high-strength leather seams – they do a lockstitch or chainstitch.

Key features: In general, leather/canvas machines should have a walking foot or compound feed (needle+walking) to grip thick materials evenly. Large presser-foot clearance (1/2″–1″) and high feed lift are essential for heavy layers

pfaff-industrial.com

. A powerful motor (servo/DC for speed control) helps. Many leather machines use roller feet or knurled feet to prevent marking. For seams along curved or tubular parts, a cylinder-arm machine (see below) is ideal. Figure: Sailrite Leatherwork heavy-duty walking-foot sewing machine (single-needle, flatbed) for leather/canvas. It sews up to 16 oz leather or canvas

sailrite.com

sailrite.com

.

Cylinder/Post-Bed Machines

Leather items with tight curves or gussets (like gun holsters, boots, purses, belts, bag edges, collars) benefit from a cylinder-arm machine. These have a narrow, protruding arm so you can wrap the leather around it. Examples:

Durkopp-Adler 669 (Germany): A slim 13″ cylinder-bed walking-foot machine

weaverleathersupply.com

. It has powerful feed and a large hook/bobbin, and can run at ~2,600 SPM. Weaver notes it is “ideal for manufacturing belts, bags, chaps, garments and other small leather goods”

weaverleathersupply.com

. Its cylinder allows sewing tubular or curved pieces. Pros: High-speed servo drive, good for belts/bags, excellent build. Cons: High cost ($6k+), complex to set up.

Adler 205-370 / Weaver 205 (Germany/USA): A classic compound-feed long-arm flatbed machine, rated to sew up to 3/4″ thick leather

weaverleathersupply.com

. It has three-way feed (needle, walking, bottom puller) and huge foot lift (1″). It can sew awkward shapes on a wide table. Used for saddlery, upholstery, footwear. Pros: Ultimate power for belts, can run #207 thread, 1″ lift

weaverleathersupply.com

. Cons: Very expensive, large.

Portable/Tippmann Boss: The Tippmann Boss is a handheld, portable lockstitcher. It can sew up to ~1″ thick leather by hand-feeding material

tippmannindustrial.com

. It’s essentially a mechanical machine with no power cord. Pros: Extremely portable (no table needed). Cons: No saddle-stitch simulation; operation is slower and more manual than bench machines.

Cylinder machines use many of the same feed mechanisms as flatbeds (walking foot, puller, etc.). Their advantage is simply geometry: you can pivot leather around the cylinder. However, their stitch pattern is still lockstitch.

Saddle/Prick-Stitch Machines

The only machines explicitly called “saddle stitch” machines (apart from twin-head systems) are specialty industrial machines (often for saddlery or bookbinding). For example, the Union Special 100 (“Prick/Saddle Stitch”) is a single-needle machine that uses an angled needle bar to make a pricking stitch. Weaver’s UK distributor notes it’s for light–heavy work (cotton, leather, synthetics) and can do a “prick stitch” that resembles hand saddling

industrialsewing.co.uk

. In practice, however, it’s still a one-thread lockstitch (just with a zigzag needle path)

industrialsewing.co.uk

. Such machines are rare and very specialized, so most leather goods makers rely on the twin-needle approach instead. Decorative alternatives: Some crafting machines offer decorative “saddle stitch” patterns (zigzag designs) and use twin needles with two thread spools for a faux-saddle look (often in two colors). While aesthetically interesting, these are typically weaker than a proper double-lock seam and meant for craft rather than load-bearing use.

Comparison of Representative Machines

Machine (make/model) Needles Feed Type Bed Type Max Thickness Materials Notes (pros/cons)

TechSew 20618-2 (USA) – 2-needle flatbed

techsew.com

2 (¼″ spacing) Compound walking foot Flatbed ≈10 mm (⅜″) leather

techsew.com

Leather, canvas, vinyl, upholstery

techsew.com

Heavy duty; large hook/bobbin; servo motor; durable

techsew.com

. Relatively affordable (by industrial standards).

Consew 327RB-2 (China) – 2-needle flatbed

jacksew.com

2 (split-bar) Needle feed + walking drop-feed Flatbed Heavy layers (e.g. belt leather) Leather, canvas, vinyl

jacksew.com

Split needle bar allows angled stitches; heavy frame; accessories (servo, table) often included.

Pfaff 1246 (Germany) – 2-needle flatbed

pfaff-industrial.com

2 Unison feed (needle + puller) Flatbed Thick leather (high foot lift 14 mm)

pfaff-industrial.com

Upholstery, leather goods

pfaff-industrial.com

Premium build; large vertical hook; even feed; more expensive; flatbed only.

Durkopp-Adler 867 (Germany) – 1 or 2-needle flatbed

foxsew.en.made-in-china.com

2 (series) Walking + needle + bottom (triple feed) Flatbed Very heavy (12 mm stitch length)

foxsew.en.made-in-china.com

Leather furniture, bags, belts

foxsew.en.made-in-china.com

Ultimate heavy-duty; automatic functions; very high price; industrial.

Sailrite Leatherwork (USA) – 1-needle flatbed

sailrite.com

1 Walking foot Flatbed ~5 mm (16oz) leather

sailrite.com

Upholstery leather, canvas

sailrite.com

Compact hobbyist machine; servo motor; knurled feet; good support; moderate price.

Adler/Weaver 205 (Germany/USA) – 1-needle flatbed

weaverleathersupply.com

1 Compound feed (needle + walking + puller) Long-arm flatbed ~19 mm (¾″) leather

weaverleathersupply.com

Belt leather, upholstery, footwear Legendary power (1″ foot lift); best for very thick leather; very expensive, heavy.

Adler 669 (Germany) – 1-needle cylinder

weaverleathersupply.com

1 Walking + puller Cylinder (13″ arm) Medium (up to #138 thread)

weaverleathersupply.com

Belts, bags, tubular leather

weaverleathersupply.com

Slim cylinder; good for belts, straps; high speed servo; niche (uses ~110V).

Table: Comparison of selected leather/canvas sewing machines. “Flatbed” = standard table machine; “cylinder” = narrow arm for tubular parts. Thickness is approximate. Sources: manufacturer and retailer data

techsew.com

pfaff-industrial.com

jacksew.com

foxsew.en.made-in-china.com

weaverleathersupply.com

weaverleathersupply.com

.

Recommendations by Use Case

Leather Bags (totes, backpacks, saddlebags): Typically use medium-thickness leather (2–4 mm). A heavy-duty single-needle machine (e.g. Sailrite Leatherwork, Singer 111W, Consew 206RB) is often sufficient. For long seams or decorative double lines, a twin-needle walking-foot machine (like TechSew 20618-2 or Pfaff 1246) works well. Cylinder machines (Adler 669) are handy for corners or bag gussets. Key features: walking foot feed and large arm clearance to manage bag seams.

Small Goods (wallets, phone cases, wallets inner parts): These often use thinner leather. A high-end hobbyist machine (like Sailrite Ultrafeed/Leatherwork or even a heavy-duty domestic machine) can do the job. Since wallets are small, a cylinder or post-bed (like Adler 311/151 long-arm) can be very convenient for tight areas. Stitch length is often short; heavy stitch (longer) can look too coarse on small pieces.

Belts and Straps: Belts use very thick leather (often 4–6 mm up to 12+ mm after creasing/layering). Only the largest machines handle this. Industrial belt makers use machines like the Adler 205/Weaver 205 or Durkopp 867, which have 1″ foot lift and can penetrate ¾″ leather

weaverleathersupply.com

. A cylinder-bed (Adler 669) is often used for sewing the buckle-end tube. For serious belt work, the investment in an industrial leather machine is justified. (A portable Tippmann can also sew belt pieces, but alignment is very manual.)

Canvas Gear (tents, awnings, sails, outdoor fabrics): Heavy canvas is easier to feed than stiff leather, but still thick. Any heavy-duty walking-foot machine will do. For example, Sailrite is famous for canvas work (boat sails, tarps). In fact, Sailrite’s Ultrafeed was originally an “Ultrafeed LS (Laminate/Skip)” machine for canvas. Canvas sewing often uses multiple layers, so needle-feed or compound-feed machines help. The TechSew 20618-2 explicitly lists canvas, awnings, luggage, boat covers, etc.

techsew.com

. ConSew and Juki double-needle machines also handle canvas seam finishing well. Key is a strong feed (walking foot) and avoiding feed slips.

Pros and Cons – Summary: Double-needle machines (Pfaff 1246, TechSew, Consew, Durkopp) give the best “hand-stitched” look and extra seam security

hooptalent.com

hooptalent.com

, but are large and costly. Single-needle machines (Sailrite, Singer, Juki) are simpler and more affordable, but only make a standard lockstitch. Cylinder and long-arm machines add convenience for tough angles at the cost of additional expense. In all cases, no machine can exactly equal a true hand saddle stitch, but choosing a heavy-duty machine with double-needle operation or long stitches will come closest in appearance and yield seams that are highly durable. Sources: Manufacturer and retailer specifications and guides

techsew.com

pfaff-industrial.com

industrialsewing.co.uk

jacksew.com

hooptalent.com

weaverleathersupply.com

, plus expert overviews of leather vs machine stitching. Images of machines are by manufacturer.

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what basic tools for start as beginner level for leathercraft
ChatGPT said:

Here’s a clear, no-nonsense beginner leathercraft toolkit—the things you actually need to start making wallets, sheaths, pouches, etc., without overspending.


Beginner Leathercraft Essential Tools

1. Cutting Tools

These are non-negotiable.

  • Utility knife / Craft knife (Olfa or NT Cutter)
    Good for clean straight cuts.

  • Round knife (optional for beginners)
    Useful later, but not needed on day one.

  • Self-healing cutting mat (A3 or A2)
    Protects blades and tables.


2. Measuring & Marking

Accuracy = clean-looking work.

  • Steel ruler (300mm)

  • Wing divider (5–7 inches) – for marking stitch lines evenly.

  • Silver pen / Scratch awl – marks leather clearly.


3. Stitching Tools

To do proper hand-stitched leathercraft.

  • Diamond Stitching Chisels (4mm or 3.38mm spacing)
    (4mm = easier for beginners, good all-round)

  • Stitching needles (John James #004 or #002)

  • Stitching pony / clamp – holds the work while stitching.

  • Beeswax – for waxing thread or smoothing edges.

  • Rulers or pricking irons (optional)


4. Edge Tools

Edges separate beginner work from pro-looking work.

  • Edge beveler (size 1 or 2) – rounds the sharp leather edge.

  • Sanding block + sandpaper (400 / 800 / 1200 grit)

  • Edge burnishing tool (wood or canvas)

  • Tokonole or Gum Tragacanth – for slick, shiny edges.


5. Hole-Making

You don’t need a full set of punches yet.

  • Diamond chisels will already do stitching holes.
    Optional but useful:

  • Round punch 2mm / 4mm
    For hardware (rivets, snaps).


6. Glue & Adhesives

  • Contact cement (Barge, Renia, or local Dunlop)

  • Glue spreader / brush


7. Hardware Basics

(Only if your projects need them)

  • Snap setter (line 20 or line 24 snaps)

  • Rivets + rivet setter


8. Finishing

  • Edge dye (if needed)

  • Leather conditioner (neatsfoot, Aussie wax, mink oil)


🧰 Minimal Starter Kit (Budget)

If you want the simplest starter setup:

  1. Utility knife

  2. Cutting mat

  3. Steel ruler

  4. Scratch awl

  5. Stitching chisels (4mm)

  6. Stitching needles + thread

  7. Edge beveler (1 or 2)

  8. Sandpaper

  9. Burnishing tool

  10. Contact cement

This kit alone can make:

  • Wallets

  • Key holders

  • Small bags

  • Knife sheaths

  • Watch straps

  • Tool rolls


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What type of laser machine type is suitable for leather engraving, cost, safety, investment cost for engraving leather?
ChatGPT said:

Nice — good question. I’ll give a clear, practical breakdown you can use to choose a laser for engraving leather: which laser types work (and why), recommended power ranges, realistic price bands (machine + necessary extras), safety/ventilation you must plan for, and rough up-front investment numbers for hobby vs small-business use. I’ve cited up-to-date manufacturer and safety sources where it matters.


1) Which laser type is best for leather engraving?

  • CO₂ (gas) lasers — the usual best choice.
    Works extremely well on organic materials (leather, wood, acrylic). Produces deep, high-contrast engravings and clean cuts. Available as hobby/desktop (small tube) and larger, production machines. OMTech+1

  • Diode (solid-state) lasers — budget / light-duty option.
    Much cheaper and compact. Good for surface marking/etching on thin leather and small projects; struggles with thick leather cutting and slower than CO₂ for heavy work. Great as an entry machine if you have low volume. OMTech

  • Fiber / MOPA fiber lasers — not usually necessary for leather.
    Designed for metals and plastics; can produce specialized effects (very fine marks, color on some metals) and high speed, but are more expensive and overkill for typical leatherwork. Some compact fiber/MOPA galvo machines can mark leather but are pricier. TechRadar+1

  • Galvo (scan head) systems — very fast for high throughput and detailed marking (usually paired with fiber or diode). Good if you need rapid, repetitive marking at scale — more industrial and expensive. TechRadar


2) Recommended power for leather work

  • Hobby / light marking: 5–20 W (diode or low-power CO₂) — fine for logos, shallow engraving, small gifts. MatterHackers+1

  • All-round (engraving + cutting thin leather): 30–50 W CO₂ — much faster engraving and can cut up to several mm of veg-tanned leather in passes. Good start for makers selling products. xTool

  • Production / thick cutting: 60W+ CO₂ or higher — faster cuts, thicker leather in fewer passes. xTool

(Exact settings depend on leather thickness, tannage, and wetness — always test.)


3) Realistic price bands (US prices, late-model examples)

  • Small diode hobby engraver (desktop, <20 W): ~$200–$1,500. (Good for prototyping and small runs.) MatterHackers+1

  • Entry CO₂ desktop (20–40 W) / small business models: ~$1,000–$4,000. (e.g., budget CO₂ and branded desktop CO₂s.) Ubuy Malaysia+1

  • Mid-range CO₂ (40–60 W), proven small-business machines: ~$3,000–$8,000 (xTool P2 / similar; Glowforge Pro sits in this neighbourhood with extra convenience/features). xTool+1

  • High-end / industrial CO₂ or specialty (galvo, MOPA combos): $8,000–$50,000+ depending on size, galvo heads, automation, and brand. TechRadar+1


4) Safety & ventilation — what you must plan for

  • Fumes / VOCs: Laser engraving leather generates organic combustion by-products (respirable particles, VOCs, odors). These can irritate lungs and, over time, may harm indoor air quality. Do not run engraving in a closed room without proper extraction. IP Systems+1

  • Minimum protections:

    • Enclosed machine (preferred) or at least an enclosure to contain fumes and sparks.

    • Proper exhaust to outside OR a good air-filtration system designed for laser fumes (HEPA + activated carbon / chemisorption) — stand-alone laser fume extractors start at a few hundred USD; high-capacity filtration units cost $1k–$3k+. filtrabox.com+1

    • Air assist (blows away smoke at the cutting point) improves cut quality and reduces flareups.

    • Fire safety: smoke detectors, fire extinguisher, never leave machine unattended while cutting. Many modern machines include flame detection / auto-stop on fire. TechRadar


5) Full up-front investment — realistic example budgets

Basic Hobby Setup (hobbyist/small experiments)

  • Diode desktop engraver (10–20 W): $300–$1,200.

  • Small extraction (window exhaust or basic fume extractor): $200–$700.

  • Small accessories (air assist, spare lenses, honeycomb bed, rotary for straps): $100–$400.
    Total ballpark: $600–$2,300.

Maker / Small Business Starter (sell engraved leather goods)

  • Reliable CO₂ desktop, 40–55 W (xTool P2, OMTech 50W class, Glowforge Plus/Pro alternatives): $2,500–$8,000.

  • Proper exhaust to outside + inline fan OR a commercial filtration unit: $800–$3,000.

  • Air assist, rotary module, spare tubes, maintenance kit, training: $400–$1,000.

  • Safety/insurance / setup (electrical work, bench): $200–$1,000.
    Total ballpark: $4,000–$12,000. xTool+1

Small/High-Volume Production

  • Industrial CO₂, galvo or galvo hybrid, or MOPA fiber for mixed jobs: $10k–$50k+.

  • Commercial fume scrubber + ongoing maintenance: $3k–$15k+.
    Total: $15k–$70k+ depending on automation and throughput. TechRadar+1


6) Ongoing costs to budget for

  • Consumables: replacement laser tube (CO₂ tubes degrade), lenses, mirrors, filters.

  • Maintenance: optics cleaning, alignment, pump/water chiller (for water-cooled CO₂), belts/motors.

  • Consumable filters & disposal for fume units (activated carbon packs, HEPA) — recurring cost.

  • Insurance / permits (depending on local regs).
    These can add several hundred to a few thousand USD per year at business scale. IP Systems+1


7) Practical recommendations (if you’re starting)

  • If your budget is limited and you only want to experiment: start with a 10–20 W diode (cheap) or small 20–30 W CO₂ used/refurbished — but plan ventilation. Good for prototyping and logo engraving. MatterHackers+1

  • If you want to run a small leather goods business (wallets, straps, tags, small bags): invest in a 40–55 W CO₂. It’s versatile, faster, and will let you both engrave and cut thicker leather reliably (and scale). xTool P2 and OMTech lines are examples in that sweet spot; Glowforge is easier-to-use but pricier for comparable power/features. xTool+1

  • If you need ultra-fast marking or metal marking too: look at galvo / MOPA combos — powerful but expensive and mostly for higher volume or mixed-material shops. TechRadar


8) Safety checklist before first run

  1. Read the machine manual fully.

  2. Fit a proper exhaust or standalone fume extractor (HEPA+carbon) and verify airflow. filtrabox.com

  3. Test on scrap leather (same type) to dial power/speed and observe fumes/smoke.

  4. Keep an extinguisher and never leave cutting unattended.

  5. Track maintenance schedule for optics / filters; replace carbon filters before saturation. Aerosol and Air Quality Research


If you want, I can now:

  • (A) Recommend 3 specific machines for your budget (hobby / maker / small-business) with prices and local Malaysian sellers/options, or

  • (B) Build a short checklist of exact ventilation models and estimated cost to exhaust to outside vs buy a filtration unit, or

  • (C) Give sample initial engraving settings (power/speed) for veg-tanned leather vs chrome-tanned leather for a 40–55 W CO₂.



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* Note: This is trail use of "Google Translate" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.

* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳が意味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。

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NON leather Mobile Phone holder - 革製ではない携帯電話ホルダー

 The mobile phone holder is not effective, phone at time slip and fall out of "slot" and the angle of holding is lacking.  Add a "Box Handle" as a stabilizer.

携帯電話ホルダーは効果がなく、時折「スロット」から外れて落下し、保持角度が不足しています。安定させるために「ボックスハンドル」を追加してください。


See the rear support is additional by a plastic box handle. 

背面のサポートはプラスチックのボックスハンドルによって追加されます。





And thank you so much for your time and interest!

そして、お時間をいただき、関心をお寄せいただき、誠にありがとうございます!


=* =* = *=* =* = * =* =* = *=* =* = * =* =* = *=* =* = * =* =* = *=* =* = *

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* Note: This is trail use of "Google Translateprats" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.

* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳意s味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。


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Non-Leather Project

 Workshop table to have better support for CLAMPing device on work bench. As sometime the clamp need a deeper and wider support surafce underneath worbench, the default clamping aera is very small foot print ( the original foor print is very limited surface area).


the two G clamp to hold a vice to work bench surface. At time it need a deep /wider support surface for clamp foot to grip. As the workbench design is just a angle surface with limited surface area.

To add the greater surface area underneath is to add a wooden block that fit into the angle bench,

Hence use a wooden block that fit within the space.





This what the wooden looks likes.




Cut three wooden block and "chain" with a strap so that it can configure underneath the work bench use,


Cut three wooden block and "chain" with a strap so that it can configure underneath the work bench use,
View on how to attached three wooden block underneat the work bench



the block have one edge chamber at an angle to allow ease to underneath insert



How to add a strap to ensure wooden ease to move about underneath the work bench










And thank you so much for your time and interest!

そして、お時間をいただき、関心をお寄せいただき、誠にありがとうございます!


=* =* = *=* =* = * =* =* = *=* =* = * =* =* = *=* =* = * =* =* = *=* =* = *

=  = - - - =  = - - - - =  =   =  = - - - =  = - - - - =  =   =  = - - - =  = - - - - =  =

* Note: This is trail use of "Google Translateprats" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.

* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳意s味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。


                                          👤     End of  document   👨

Sharpen punch, scissors and Trim punch block - パンチ、ハサミを研ぎ、パンチブロックをトリムします - 削尖冲头、剪刀和修剪冲头块

      Have a special request to sharpen punch (size 13mm and 16mm), scissor of 6 inch length and flatten a punch block (tree stump) with deep depression. パンチ (サイズ 13mm および 16mm)、長さ 6 インチのハサミを研ぎ、深いくぼみのあるパンチブロック (木の切り株) を平らにするための特別なリクエストがあります。

有特殊要求,可磨利冲头(尺寸13毫米和16毫米)、6英寸长的剪刀以及压平深凹陷的冲头块(树桩)。

1) Four punch to sharpen it cutting edge, three of 13mm size and one 16mm. 1) 刃先を鋭くするための 4 つのパンチ、13 mm サイズの 3 つと 16 mm のサイズの 1 つ

1) 四个冲头用于磨锐刀刃,三个 13mm 尺寸和一个 16mm 尺寸。


2) Four scissors of 6 inch length to sharpen. 2) 研ぐための長さ6インチのハサミ4本。

2)四把6英寸长的剪刀用于磨利。


3) One punch block of 8.05 kg (before sawing). 3)8.05kgのパンチブロック1個(鋸引き前)。3)1个8.05公斤的冲块(锯切前)。



This tree stump for punch is about 8.05 kg before sawing. このパンチ用の切り株は製材前で約8.05kgです。
该打孔用树桩锯切前重约8.05公斤。

Side view of tree stump block, notice the top side have valley due to repeated use by punch. It is a huge carter due to wear and tear. 木の切り株ブロックを側面から見たところ、パンチで繰り返し使用されたため、上面に谷があることがわかります。 摩耗による大きなカーターです。
树桩块的侧视图,注意顶部由于冲孔的重复使用而有山谷。 由于磨损,它是一个巨大的卡特。

Top view of tree stump. 木の切り株の上から見た図。
树桩的顶视图。

Marking line before start sawing, use a wooden stool to support. のこぎりを開始する前に線を引き、木製のスツールを使用して支えます。
开始锯切前划线,用木凳支撑。



Apply wax to reduce friction when sawing. 鋸引き時の摩擦を軽減するためにワックスを塗布します。

Now the top surface is flatten, this will help and be productive when punching hole. これで上面が平らになり、穴を開けるときに役立ち、生産性が向上します。

After remove the top part, it weigh about 7.25 kg. 上部を外すと重さは約7.25kgになります。









Add strap to tree stump. 木の切り株にストラップを追加します。

Use an eyelet of about 20mm, add washer, screw to secure strap on tree stump. Hope this will make it easier to carry around. 約20mmのアイレットを使用し、ワッシャーを追加し、ネジでストラップを木の切り株に固定します。 これで持ち運びが楽になるといいですね。







Scissors repair and sharpen.


Scissor both end tips bent. can cause scissor not to cut properly.

ID for scissor tye06 with both end tips bent..








Scissor sharpening resource from You Tube 

=========================
https://www.youtube.com/watch?v=gt9BU-pv3Os&list=PL_Fq7SYBzMT6f8E6RAuglZtyx5ppDug5L
Sharpening and Bending a Utsumi Curved Groomer Shear with Sharpener Student - Josh | Bonika Shears

Bonika Shears
1,549 views  8 Feb 2021     (25:38 minutes)       Alignment and Set
#BonikaAlignment #BonikaCurved #BonikaGroomer #BonikaTips #BonikaBending
Watch the sharpening procedure of sharpening an Utsumi Japanese Curved Groomer Shear with sharpener student, Josh. These were shears sent by another new sharpener to be evaluated and corrected. This video includes sharpening, edgework and bending.
Links:
Website: https://bonika.com/
Free Information Package on the Sharpening Business https://bonika.com/products/free-info...
Learn Sharpening in Private Classes (advanced and beginner): https://bonika.com/collections/sharpe...
Learn Sharpening in on-line virtual training (advanced and beginner): https://bonika.com/collections/sharpe...
Sharpening equipment including the Scimech HD Flathone machine for sharpening beauty shears and groomer shears and the Nebraska Blade
=================

https://www.youtube.com/watch?v=es4i3vl3uQU

How I Sharpen Christina's Serrated Tip International Hair Scissors | Bonika Shears

Bonika Shears

1,524 views  20 Mar 2023     (21:13 minutes)         #sharpening

Shear sharpening is a lucrative business sharpening for hair salons and groomers. It is important to have the right equipment and training to give the best service. Interested in sharpening? Start here.... download a free information package https://bonika.com/products/free-info...

Presented by Bonnie Megowan

Bonnie Megowan is the educator and sharpener with Bonika Shears which is a 30 year old family business owned and operated by the family including Gene her husband who is in charge of sales and Mystie her daughter who is in charge of daily operations. Bonnie is a sought after speaker at hair shows, sharpening conventions and cosmetology schools. Bonnie has produced hundreds of videos on her Youtube channel Bonika Shears. She has trained successful sharpeners both in person and in video chats in all 50 states and dozens of foreign countries

We recommend Bonnie's books, available on the Bonika website and on Amazon. "SHARPENING HAIR SCISSORS - HOW TO START A REWARDING HOME-BASED BUSINESS" and “DIY Care and Repair of Stylist Shears” available in English and Spanish.

=================

https://www.youtube.com/watch?v=qbMth3A6XxY

How to Adjust the Tension on the 3 Most Common Pivot Screws on Beauty Shears

Bonika Shears

13,362 views  22 Dec 2020          (32:12 minutes)      4 products

Bonika Shears tagged products below. Learn more

Repair Book on Scissors and Shears for Stylists | Bonika Shears English

Limited delivery areas

bonika.com/products/diy-care-and-repair-of-stylist-shears-book?variant=36190345724070&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOordzAfDcFQdh9asQiRUuY2HtHlPOQJwT-RgfA7Whw2TSd0nFOUqgDY

 Repair Book on Scissors and Shears for Stylists | Bonika Shears Spanish

Limited delivery areas

bonika.com/products/diy-care-and-repair-of-stylist-shears-book?variant=36190345756838&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOoqCIvQblutwcQKy2w6c257CP4JF8XmoVZF4GYuZndk9WM63odGUG6w

 S-UFO Tool to Adjust Shear Screw

Limited delivery areas

bonika.com/products/s-ufo-tool-to-adjust-shear-screw?variant=42754426863782&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOorvCazpeKglICg_1DrH67lnZsnGFqGCLxdIEnDpTJqSbvK6NuedDBY

 UFO Tool Shear Keys for Adjusting the Pivot Screw | Bonika Shears UFO-1

Limited delivery areas

bonika.com/products/ufo-tool-for-adjusting-the-pivot-screw?variant=35631068414118&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&srsltid=AfmBOor0WPlMZI2TaRK84xtK4oijjQl069CtJH9e2apMkPT2lsuqQzq-p7c

This video answers the question how to adjust the tension on hair shears. All of the three most common screws are explained including the regular and split screw most common on barber scissors and German shears, the thumb-nut adjustable screws which have a knob and the UFO or screws that adjust using a special key or tool. 

Chapters: 

Regular screw: 01:10

Thumb-nut screw 11:04

UFO Screw 21:59

Love2Cut video links for you to share or embed on your websites

Regular screw link:   

 • How to Adjust the Tension on Beauty S...  

Thumb-nut screw link   

 • How to Set the Screw on Hair Shears w...   UFO screw link   

 • How to Adjust the Screw Tension on a ...  

Links: 

Website: https://bonika.com/

Free Information Package on the Sharpening Business https://bonika.com/products/free-info...

Learn Sharpening in Private Classes (advanced and beginner): https://bonika.com/collections/sharpe...

Learn Sharpening in on-line virtual training (advanced and beginner): https://bonika.com/collections/sharpe...

Sharpening equipment including the Scimech HD Flathone machine for sharpening beauty shears and groomer shears and the Nebraska Blades Clipper Hone https://bonika.com/collections/sharpe...

Start Selling and Sharpening  https://bonika.com/collections/start-...

Join the Facebook group for sharpeners www.facebook.com/SharpenersJamGroup

Feel free to call our office at 770-972-4332 for information. 

About Bonnie Megowan and Bonika Shears 

Bonika Shears was begun by Bonnie Megowan, a former school teacher. Bonnie used her background in science and experience in the knife industry to begin a business sharpening and repairing quality stylists shears in the Atlanta area in 1988. Gene Megowan, the marketing manager for Scissor Mechanic, conducted extensive market research. Together, they created the exclusive Bonika International shears. The Bonika International Shears were designed as the first truly multicultural shears. Since then the more than 6 dozen models have been added to the line. They now have local sharpener /distributors in nearly 2 dozen countries and every state.  Bonnie Megowan has trained most of these sharpeners. She became the first woman to place first in a national sharpening certification through the National Beauty Tools Sharpeners Guild. Bonika Shears is a member of the ISSA International Beauty Tools Sharpeners Guild, NBTSG National Beauty Tools Sharpeners Guild, and educates for the IBSA International Beauty Sharpening Association.

========


                           = = = = = - - - - - = = = = = =

*    Note: This is trail use of "Google Translate" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.

* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳が意味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。

                                          👤     End of  document   👨


Repair rice cooker

 Was given a small rice cooker HANABISHI model HA1330, with problem cannot turn. Found this unit is due to power cord is defective (discover...