Textured Concaved Fidget Caps

thingiverse

I loved the locking fidget nut and axle system Mcl0vin used, but I found the actual cap part slid around too much on my finger. I designed this axle and locking cap to have a conceived cap almost exactly the size of your fingertip. The cap is also textured for better gripping when doing tricks like passing the spinner back and forth between hands or hopping it between fingers. I shortened the axle length to make it more snug against the bearing, resulting in less wobble. This doesn't affect the spinning because the wider portion of the caps are raised off the axle. Tricks in general tend to be much easier with these three design changes in my opinion. To get the most out of the texture, I would suggest printing both models at 0.1mm and with the cap portion upright. The axle technically doesn't need supports and will print fine without them, but the locking cap does require some support. Due to printing both the cap and the axle screw side down, when you first screw them together it might take a little effort to screw them in, but after a few times of unscrewing and screwing them in they should be fine. I've added a 22mm version. The larger size does allow it to shift/move on your finger more, so if you're purely looking at caps for tricks, stick with the original 15mm. At least that's my personal preference.