Free 3D-printable models designed by Zheng3
Firecracker Cannon

WARNING: requires explosives. Be careful.

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These models don't make themselves, y'know! Throw a bone by purchasing the Seej Starter Set as a pay-what-you-like download!

Construction is snap-together! A couple of dabs of glue will keep the carriage from falling apart under the stress of firing. A small piece of bent wire will be very useful in pulling the fuse through the match

bore. Firecrackers not included.

To load: Crimp a small piece of wire to the tip of a firecracker’s fuse. Insert the firecracker into the breech and feed the uncrimped wire end through the match bore. Gently pull the wire out through the match bore and detach it from the fuse.

Pack the muzzle with bits of confetti and tamp it down gently with the included rammer.

Slide the cap onto the back of the breech, mount the barrel in the carriage, and you’re good to go!

Light the fuse and get away. For the love of all that’s holy, wear eye protection and don’t point this at people, animals, or structures.

Printing tip: barrel_sprue.stl puts some optional support on the barrel that you can trim off with a knife— it’s for users who wish to print the barrel by itself but are having trouble with a tall, thin print.

Fun fact: the ramrod traces its ancestry to a Seej Battle Flag mast.