[Torsion Spring] Fully 3D Printed Cherry MX Fidget

Completely 3D Printed WASD Fidget Using a Torsion Spring - All Necessary Components can be 3D Printed[v4.4]

A torsion spring usually works by storing mechanical energy when twisted around its central axis. As torque is applied, the spring deforms elastically, resisting the twist and returning to its original position once the force is released. However, this model uses the spring a little differently. After playing around with torsion springs for a little while, I noticed they were a little bouncy. The center of the springs could be pulled up / down and return to a centered position. Using this interesting mechanic, I created a completely 3D printable WASD Fidget.

Although not the best model to show how torsion springs work, I think it still accurately represents how physics can be taken to another level with 3D Printing. Enjoy!
 

As of v4.4: 

Keycaps are now custom made for this model, and cannot be used with regular Cherry MX key switches. These keycaps have greatly improved strength over my other keycap models. These keycaps are designed to fit the switch no matter what, not solely relying on tolerance. 

Printing:

Existing profiles include all necessary components and keycaps and have been fine tuned until they produced nearly perfect prints every time. I have not tested the springs with PETG or ABS yet, however, they work very nicely with PLA. I have not personally tested with Silk PLA, but I have heard certain parts of this model may not work well with it. Therefore, I would not recommend printing with Silk PLA.

Assembly:

1. Put 4 keycaps onto all 4 springs until they will not go on any further
2. Push springs into WASD base until you here a nice click and the springs lay flat

If you cannot get the springs to lay flat follow next instructions:

1. Lift up keycap (you do not need to fully remove it)
2. Use a small allen key or screwdriver to push down on side of spring that will not lay flat. It should click into place.

Check Out My Other Fidget Models:

Note from Creator:

 Thank you for your extended patience with this model! I have had the idea for over a month now, going from idea, to drawing, to design, to 3 different versions before landing on a working prototype. I really appreciate all the support over the last few weeks while creating this model. Enjoy!

Known Issues:

• Keycap can potentially snap off part of the spring. To fix this, print the springs at a higher temperature.
  • If this doesn't work, please reach out to me and I can help you fix the problem

Versions:

1/05/25 - Original release, v3.5

1/10/25 - v4.4 Release. This updated version includes; 

• smaller WASD
• improved keycaps
• improved travel of springs
• updated pictures
• updated print profiles

Thank you for checking out this model! If you would like to further support me, check out my Patreon or give a boost!