Had to make these to organize my collection of cordless power tools batteries, very useful and prints in under 2 hrs. These work on any battery size from 2AH-6AH ;)
Note the Dremel holder works on Bosch & Makita batteries as well but not vice versa.
If you are interested in other prop firearms, Airsoft parts and designs do join our group on Matrix:
https://app.element.io/?pk_vid=f12152aac29bbc4a166549437941781a#/room/#GCI-General:matrix.org
!!!Note: I'm always open for suggestion and help on improving the design and proof of concept.