Is this 3D model free to download?

Yes, Roman Ballista is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by larkinj, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Roman Ballista 3D printable model by larkinj

Roman Ballista

Source: Thingiverse by larkinj

The Roman Ballista is a free printable 3D model from Thingiverse by larkinj. Fully Functioning tiny roman ballista. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

275 saves Source: Thingiverse Updated 2026-10-11 License: CC-BY-NC · non-commercial Category: Toys & Games

Tags: Roman, Ballista

About this model

Fully Functioning tiny roman ballista. Designed to be a large ballista for 28mm rpg gaming. Launches a spitball about 10 feet or a small wooden stick 5-6 feet. I use two 1/8th inch diameter pins to form the linkage in the main elevation joint and in forming the axle of the pawl. Easy to make these out of 1/8inch aluminum or steel shaft cut to 3/4 inch length. The hole in the ballista channel should give the pawl free action so turning the crank will actually allow the ratchet and pawl to work well. Requires 2 to 8 small rubber bands and two short lengths of string. The linch pin for releasing the missile is a small straightened paper clip. Print 4 of the winders and 2 of the arms. If you don't want to print support for the arms, I printed each arm as 2 pieces by embedded the arms halfway i…

Frequently asked questions

Is this 3D model free to download?: Yes. Roman Ballista is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link 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 larkinj.
Who made this model?: Designed by larkinj, 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.