Socket Retainer Kit / Socket Rail Organizer

In an effort to teach myself how to model (slightly) more complex, and interlocking shapes in SketchUp; as well as being disgusted with how expensive these stupid things can cost I decided to "make" my own. This set includes dongles which should fit 1/4", 3/8" and 1/2" drive sockets; labled 25, 375 and 50 respectiely.

I must point out however that my 3D Printer is on back-order so they are **COMPLETELY** untested however I *think* I did the math right and gave proper clearances. The STL's l