Website: thingiverse
Author: juani_cer
Price: Free Download
File format: .Stl 3d printable
Description:
Another spherical flexure, this one as a pen holder. The hole diameter is 10mm, there is an STL and a STEP without hole so you can customize it.The pen is not a perfect cylinder, there is a lot of play so the effect on the tip is not as good as the previous design.There is a photo of what I consider to be the best position