Pinshape’s Purchase system has been down for almost two months. If you wish to purchase STL’s they are all being moved to my web store. No on has been able to purchase in weeks. https://sth.ecwid.com/
I am the designer for Spare Time Hobbies. I design everything from R/C Car parts to anything I can imagine. If you have something specifically in mind to design, I can probably design that too.