agentscad My utilities for OpenSCAD Prerequisites Follow these instructions to use the library Canvas and Lithophanes Tutorial for canvas here Snap Joint Tutorial for Snap Joint here Screws, Bolts and Nuts shapes and passages Tutorial for screws here Threaded Screws, Bolts and Nuts (3D Printable) Tutorial for threaded bolts Hirth Joint Tutorial for Hirth Joint here Metric screw knobs Tutorial for screw knobs here Beveling library Tutorial for beveling here Glue shapes library Tutorial for glue shapes here