This project is to design and print a rock wall hold.
- Create Thingiverse Account
- Download template SCAD for hex bolt: 
- Using OpenSCAD design an original rock wall hold better than this. No derivatives from any other design, no mashups, no importation of other code
- Post your SCAD, STL and a picture of your print (if you have it) on Thingiverse as a derivative of  using an appropriate OS license