This project is a work in progress. My intention is to create a battery pack compatible with my Porter Cable tools but uses 21700 Lion batteries (Similar to 18650s but bigger).

As of January 9th I have cloned the retainer clip that holds the pack into the tool. Printing this on a resin printer yielded a perfect fit, I can actually swap out the original red clip for this modelled piece and its a drop in replacement.

Future credit to corski67 for their design of a holder for the electrical contacts, I intend on using that cavity as part of my design.