Pinhole Mount for Canon DSLR Body Cap

Mounts an ebay-bought (http://www.ebay.com/itm/0-3mm-Laser-drilled-Pinhole-for-SLR-DSLR-Canon-EOS-Nikon-Camera-photography-/291648570690?) laser-drilled 0.3mm pinhole disk in the body cap of a Canon 5D (body cap fits just about any Canon DSLR).

Pinhole disk is 19mm around and .6mm thick, adjust the SCAD file accordingly if using something else. Same for the body cap.

Drilled a 5/16" hole in the center of the body cap, centering this hole is not critical as the pinhole is centered by the pi