Here's a bunch of handy stuff I found on thingiverse, especially useful if you shoot photos or video on a DSLR or mirrorless camera.

Links:
M43/Ef adapter https://www.thingiverse.com/thing:220...
Battery Holders https://www.thingiverse.com/thing:284...
Sun hood https://www.thingiverse.com/thing:375...
Sd card holder (105% size) https://www.thingiverse.com/thing:352...
Anamorphic filter https://www.thingiverse.com/thing:365...
Bokeh filters https://www.thingiverse.com/thing:109...
Adapters! https://www.thingiverse.com/thing:235... + https://www.thingiverse.com/thing:328...

My version of the cinemorph filter - https://drive.google.com/open?id=1wij...

My printer https://amzn.to/3675H5t