my current favourite system so far is using half inch diameter screws and a bolt (or maybe nut i don’t know). since the bearing inner diameter is the same it locks into the middle and barely vibes. im using it in my 3d printed offstring and it plays very well. the only downside i think is the centre weight because its very bulky and made of dense stainless steel
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Ahh that I’m even less familiar with and at that price point for good reason
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I asked chat gpt to design a yoyo and dang. Good thing RCS is closed cause AI might be after there dumpster fire product line.
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You need to work on your prompts lol. Here’s what ChatGPT gave me!
Prompt:
Using the yoyo factory shutter as an example design a yoyo with similar specs, but a different profile. Provide a mechanical drawing with detailed measurements and 3D render.
Reply:
| Specification | Value |
|---|---|
| Diameter | 56.0 mm |
| Width | 44.0 mm |
| Gap Width | 4.5 mm |
| Weight | 64.3 g |
| Bearing | C-size (standard) |
| Response | 19mm slim pads |
| Axle | M4 x 10mm stainless steel |
Key Differences from Shutter
• Profile: Instead of the Shutter’s full H-shape, this yoyo has a stepped V shape that curves into an inner ring step—offering a more modern aesthetic and a slightly faster playstyle.
• Weight Distribution: More rim weight to improve stability and spin time.
• Cup Design: Simpler, shallow cup for easier finger grinds and finger spins.
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it gave me good specs and lots of details in writing . I think the problem was exporting the design to scad but it was still funny.
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Yes I’m making the dumb yoyo as we speak. Loading up the printer. I think I’m changing the name to The Warhol though.
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honestly, the best axle system i have ever gotten to work is a fully printed seat, threads included. i’ve tried yyf spacers, some early early freshly dirty stuff pre stem system, side effects, but nothing was as good as fully printed. need to square up your machine, tram the bed proper, dial in your flow and retractions. i can just print yoyos, use an m4 set screw and bearing, and have it play the same vibe as most injection molded. biggest barrier i think in getting good 3d printed yoyos is the setup of your machine and accounting for it within your slicer. gotta know your stuff
SLS?! Dude that’s awesome!
3 Likes
The absolute worst part about this is that it actually worked pretty okay. It wasn’t that bad. Especially the unresponsive half.
I made this cylinder yoyo reversible.
It has unresponsive c bearing on one half.
MR85 with brake pads on the other half.
And I was able to run through an unresponsive trick routine.
But then I did the obvious blasphemy and angered the YoYo gods and broke it. Beefcaked C and MR85
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OMG such kickback. I hit myself right in the stomach first throw 
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Perfection you bring my dumbest ideas to life in ways I can’t ever imagine and I love it. Don’t ever change you
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Honestly looks like it could be a neat of string
I’m going to slightly improve on the dumb cylinder to make it more functional but not reversible and I’ll mail you one if it works.
the reversible cylinder is unfortunately too brittle lol.
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Yeah I didn’t expect you to actually try to make it reversible as dope as that sounds.
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Yeah I think I’ll actually take the reversible idea and run with it in a better design. I could see it being good for some shapes.
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Ohh yes I could definitely see a reversible butterfly shape with a wide c bearing design for the butterfly config and mr85 for the looper side being a neat concept
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”Shakes fist at form labs for buying micronics”
The Inova from SLS4All looks pretty promising though. It’s BOM is roughly around $7k for the complete setup. There’s also a BOM with just the electronics and you can build your own housing for it for around $3,800
The new ScrapLabs metal printer looks pretty freaking awesome too. It’s roughly 20k, but considering what it is, it’s pretty damn crazy to see how far it has come down and is getting a lot more accessible for small shops and what’s crazier is it’s going to be open source.
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Under $20k for metal SLS is pretty amazing.
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yeah sls seems to still be in the extreme hobbiest and or small shop realm but if fdm and sla printing are any indication in less than a decade those entry prices should get within the mainstream hobbiest realm under 3k which would be dope
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