Lego Brick with Axle Holes

Lots of good Lego bricks models already out there, but I couldn't find any with holes for axles so I made my own. This is a fully parametric OpenSCAD model with all dimensions easily tweakable.

Nominal values for each dimension are listed in the comments, and the values shown are what worked well for me after painstakingly tweaking each one for my Prusa i3 MK3. If you want to use this model, chances are you'll need to tweak a lot of the dimensions as well to get them just right. The .STL f