12 gauge shotgun shell
thingiverse
berzerkpenguins posted a comment on Assorted ammunition 9 hours ago could you make a 12 gauge shell? Here you go
Download Model from thingiverse
With this file you will be able to print 12 gauge shotgun shell with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 12 gauge shotgun shell.