mil std 1913 picatinny 3d models

I'm hoping to develop a technique to make a bag from the 2.5 mil heavy-duty HDPE grocery bags that are common in areas of the United States that have instituted disposable bag bans. I believe they are tough enough to serve as a DIY option for someone...

Namely speaking, features such as the frame-recessed mag release "extension", picatinny rails vs Glock rails, and the more steeper grip angle that's flatter, compared to the Glock's "curved backstrap". Kept below is the original README from...