A toy depiction of a A-10 Warthog cannon. Model at 1:1 is 20mm. The original gun is 30mm print size accordingly for your needs. 2 styles for mounting flush or below a surface.
Gau-8 Muzzle- 2 types, one round without mounts, the other has a flat side with mount holes. Print face down, NO supports
Nut- Print washer down, I printed the 7 barrel tips at same time. Glue nut in center of face.
Barrel Tips- Print 7 of them. Glue to face of muzzle housing.
Know your local toy gun laws!