Fidget Spinner Thumb Rest

thingiverse

I really loved the ergonomic design of the thumb rest on that adafruit spinner design. Unfortunately, one side fit snugly around my thumb while the other side felt awkward and unsupported. Most thumb rests I've seen on Thingiverse are two-piece designs where one side is a flat surface, which can be uncomfortable to use for extended periods. So, I decided to redesign it with both sides identical, resulting in a three-part design instead of two. The end result was much more comfortable and functional.