Print in place, no supports needed. 
Settings:
0.2mm layers, 2 perimeters, 10% infill(Higher if you want it to be a bit heavier. Seems to the back for a cleaner look.

The wire slot is made specifically for the included cable and may not fit all cables.
The puck slot is tight(0.1mm tolerance) your printer should be tuned or scale the model 100.5 if your printer can't handle the higher tolerance.