Fidget Cube (with rounded edges now, remix)

This is a remix of the best printing (and fun) "Fidget Cube" that I've found. Credit to Kobayashi!

I tend to print it scaled down 20% (16mm instead of 20mm for the smallest dimension is the smallest I'd go) or so. It prints well larger or smaller than the default size.

I was able to print this without support. You can try it with or without support.

I added fillets to every sharp edge so it feels better in your hand while "fidgeting". 3d printers are so good at creating sharp edges, th