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Tornado - kinetic gears

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Creation's quality: 4.6/5 (17 votes)
Evaluation of members on the printability, utility, level of detail, etc.
  • 👁 37.4k views
  • 194 likes
  • 323 downloads

3D model description

I got my inspiration for this model from an youtube video showing how to cut this from wood https://www.youtube.com/watch?v=W6HjHiZ_7a0

Recently I found out that Oskar van Deventer has invented this toy and is actually selling it as Thinkfun Tailspin https://www.google.com/search?q=thinkfun+tailspin&tbm=isch

If you don't have access to a 3D printer or if you want to support Oskar please find a store that sells the original toy.

A fun and satisfying toy based exclusively on gears.

Build guide is available here: https://docs.google.com/document/d/1apBr7yOUvTSUu1OBXem1CwsJyhweN-7QL_CQ3xhhLN0/edit?usp=sharing


3D printing settings

The only parts that require support are gear-link-1.stl and gear-link-2.stl

There are no special settings that you should use for the other parts.

3D printer file information

  • 3D design format: STL Folder details Close
    • crank-gear.stl
    • crank.stl
    • gear-link-1-end.stl
    • gear-link-1.stl
    • gear-link-2-end.stl
    • gear-link-2.stl
    • gear.stl
    • handle.stl

    Learn more about the formats

  • Last update: 2020/09/07 at 12:16
  • Publication date: 2020/09/01 at 18:06

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5 comments

What I did was (after the glue had already dried up) make some lines with the soldering iron to try to create a keying effect. It worked perfectly, but you have to be careful no to go too deep or mess up the gear

I can't get this together... How am I supposed to get glue between the rod and the upper gear without getting some on the lower gear? Also, I agree that the top half should have some form of hex / keying to increase torque resistance and not just rely on the glue.

Hi.
Great toy. I think my grandchildren will love it.
"gear-link-1-end.stl" is not needed for assembly.
Everything works without it.

  • 1 like

Thanks for uploading this model! Me and my kids loved the model. I found an improvement potential to avoid the glued gears to slip. I would increase the diameter of the link connector, and make the upper part an inscribed polygon so that it can take more torque without sliping. Depending on the material sometimes glue doesn't work very well, and melting from the top gives limited torque resistance.


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