OpenForge - Cannon and Thumper 3D printable model by ecaroth

OpenForge - Cannon and Thumper

Source: Thingiverse by ecaroth

The OpenForge - Cannon and Thumper is a free printable 3D model from Thingiverse by ecaroth. There is nothing quite like the smell of gunpowder and boom of cannons to make you flee from the ramparts! This release includes two cannons to smash through any walls in your way. You can download the STL file from the original listing below and print it at home.

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87 saves Source: Thingiverse Updated 2026-05-05

Tags: OpenForge, -, Cannon, and, Thumper

About this model

There is nothing quite like the smell of gunpowder and boom of cannons to make you flee from the ramparts! This release includes two cannons to smash through any walls in your way. The first is a standard cannon, a derivative of the one Devon created for the Forest of Oakenspire Kickstarter. I modified the design slightly, added some wheels, and sliced it to print in two pieces with no supports. The second I have fondly nicknamed "the Thumper". It's a horse/donkey drawn unit that packs a heck of a punch. Just remember to unhitch the horse before firing! Note that the Thumper is quite large (as seen in the pics) - you can scale it down to ~85% or so if you want a smaller, more realistic portable sized cannon/mortar. This prints in 2 pieces with no supports as well. FYI if you need a horse t…

Frequently asked questions

Is this 3D model free to download?
Yes. OpenForge - Cannon and Thumper is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by ecaroth.
Who made this model?
Designed by ecaroth, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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