Magnetic studio strobe light modifier and gel holder

I decided to design some easy to use light modifiers for my studio lights.
These will work with any light with a standard 7in reflector.

These use 0.125in magnets as the attachment mechanism, which are press-fit into the square holes around the outside rim. The holes are tight, so I used a small pair of channel-lock style adjustable pliers to squeeze them in.

gobo-mount.stl is the main mounting part which slips and clips onto the 7in strobe reflector, and to which the rest of the parts ma