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Mechanical Bitcoin movement

Build logs, machining experiments, watchmaking notes, and lessons from trying to make a mechanical watch shaped by Bitcoin.

This is the main record of the project: what worked, what failed, what changed, and what I learned along the way.

2024/09/25 08:44 UTC
TLDRIf you're into gear-making, the NIHS standards like 20-01, 20-02, and 20-10 are your go-tos, but the new NIHS 20-30 is the latest hotness. It's not available open-source, but the author plans to upgrade their project to this new standard. Check out their work on GitHub for some cool insights into cycloidal gears. ⚙️
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NIHS 20-01 NIHS 20-02 NIHS 20-10

Recommended in the book "Wheel & Pinion Cutting in Horology"

This look amazing, but apparently there's NIHS 20-30 now, which is the latest, just purchased it, but I dont think I can open source that one

As is, it works and follows the rules, but will move to 20-30 and make it awesome.

See github project

sketch sketch

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2024/09/23 08:44 UTC
TLDRIf you're into watchmaking, check out the British Standard 978 part 2 for cycloidal gears, as recommended by George Daniels. It's a solid guide, but the NIHS standard might be worth exploring, too. For more hands-on details, the GitHub project linked in the post offers practical insights. ⌚
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Recommended in the books "Watchmaking" by George Daniels, and "Wheel & Pinion Cutting in Horology"

These are a nice set, but it seems NIHS is also an option, will explore

See github project

sketch

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2024/09/22 09:57 UTC
TLDRThe blog post dives into the complexities of crafting a movement, revealing that the author's initial understanding of gears was flawed and requires a redo. It touches on specific components like the balance staff and barrel arbor, with accompanying videos for a visual insight. Ultimately, it's about the journey of learning and refining skills in watchmaking, with a nod to the intricacies involved.
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Been exploring understanding how a movement is deeply made, realized a whole bunch of things, like... my understanding of gears is wrong

I will need to re-make all these gears

A Balance staff

A Barrel arbor (you can see it installed in the first video)

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2024/09/07 11:15 UTC
TLDRThe blog post talks about a subtle design tweak to a watch, specifically reducing the strap metal border to give it a rounder feel. This small change seems to enhance the look, making the watch more appealing to the writer. There's also a video included if you want to see the watch in action. ⌚
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Shrinking a bit strap metal border, so the watch feels a bit more round, I like it a bit more.

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2024/09/06 15:51 UTC
TLDRThe blog post discusses a project involving the use of a strap metal border to conceal holes, with a video demonstration included. If you're into DIY fixes or crafting, this could be a practical tip for tidying up small imperfections. Perfect for those looking to add a clean finish to their projects without a major overhaul. 🛠️
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Working on the strap metal border.

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2024/09/05 15:08 UTC
TLDRStill fine-tuning the strap holder, especially the missing spring, and making minor design tweaks like adding a chamfer to the case. Not entirely sure if these changes will work with the CNC yet. Check out the video and sketches for a closer look at the design process.
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Working on the strap holder thingy, still missing the inside spring,

Also added a little bit of a chamfer to the case, not sure if this is ok for the cnc yet.

sketch sketch

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2024/09/04 15:08 UTC
TLDRWorking on a watch, I'm tweaking the dial and hands to include super-luminova in the center, which will glow brightly. The precise micrometric adjustments are challenging, and planning the movement mechanism is next. 🕰️ For a deeper dive, check out the video link.
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Playing around with the Dial and hands, Im leaving a whole in the center to add the super-luminova.

Tricky measurements with the micrometric extrudes, it's time to start thinking about the movement.

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2024/09/03 15:08 UTC
TLDRStarting with Fusion 360 and imported an SVG to experiment; looking forward to testing out designs on the NSCNC Elara, Mira, and Lathe. If you're tinkering with CNC machines and design software, follow along for hands-on insights and perhaps some inspiration! 🛠️
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Total newb here, imported the svg into fusion 360, started playing around.

Waiting for the NSCNC Elara, Mira and Lathe to start making some tests!

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2024/08/27 06:00 UTC
TLDRThe blog post seems to focus on a "paper test," but it's quite sparse on details. If you're interested, it might be worth checking the link for more context or to see the video, which seems to be the main content. 🤔 If paper tests and Bitcoin sound intriguing, it could be worth a quick click.
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Paper tests!.

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2024/08/26 06:00 UTC
TLDRThe blog post, "Study Time," hints at a need for personal growth or skill enhancement, possibly in a creative or technical field, as suggested by the image of a sketch. It's a brief nudge to embrace learning and improvement. 🎨
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Gonna need to level up.

sketch

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NOSTR:

npub1nvhq9vgkpahlugwcf3jsnpaq5lj3w3rk6lknnvf9r8h8ft2ja2asaqcn2a
npub1nvhq9vgkpahlugwcf3jsnpaq5lj3w3rk6lknnvf9r8h8ft2ja2asaqcn2a
Copyright 2025 The bitcoin watchmaker