About this 3D model
On my previous Prusa I3 i modified the .scad files for use all 10mm rods but threaded X rods. Gives more structure strength. These are the .stl files. Y threaded rods 10mm, X threaded rods 8mm, all smooth rods 10mm. Also you have the option to use 3 o 4 bearings on the X carriage (two different .stl files) Sorry but my Prusa I3 was sold and no pictures availables.