52mm Spindle Mount for XCarve or Similar CNC (with Laser Mount)

This is a spindle holder for an XCarve or similar CNC. There is a version with a 40mm laser mount space. An adapter could easily be made so that instead of a laser being put there, PVC pipe could be used in part of a dust collection system, or another 40mm auxiliary tool can be put there.

While this model could be 3D printed, it is designed to be milled out of ~1/2" aluminum (6061 or similar) using a 3/16" (4.76mm) bit. Semicircles around the holes are added to enable easier drilling (and