legos_shotgun
thingiverse
Here's a design for a unique Lego-compatible shotgun that prints upside down without any supports needed.
Download Model from thingiverse
With this file you will be able to print legos_shotgun 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 legos_shotgun.