NMO rain cap

This is a threaded cap designed to accept an o-ring and protect an NMO antenna mount when not in use. I designed the part in OpenSCAD using a module that I just wrote for modelling standard threads. My thread module needs a little optimization, so it is not only extremely processor intensive, the resultant STL files are rather large.

NMO-rain-cap-v0.stl should be considered a preview. OpenSCAD exported the file as simple, but Repetier interprets it as non-manifold. The part printed decently w