Comes in 4 pieces, split STL to objects in prusa slicer. There's a 0.5mm gap between parts; mask back panel, snap pieces into back panel, and fill gaps w/ JB-Weld or similar. This is to allow everything to fit on the bed and account for tolerance issues.
Printed with Protopasta CF-HTPLA w/ a 0.4mm nozzle, 10% gyroid infill, 4 perimeters, no supports
For retaining pins on case, requires M3 brass inserts and M3x10 button head screws. Insert these into the 5mm holes that don't have cross scores on them w/ a soldering iron, then put screws through thingiverse item below into the brass inserts.
The author hasn't provided the model origin yet.