Is this 3D model free to download?

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

Where do I download the STL file?

The download is hosted by MyMiniFactory. Use the "Download from MyMiniFactory" 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 Zheng3, published on MyMiniFactory. 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.

Penny Catapult 3D printable model by Zheng3

Penny Catapult

Source: MyMiniFactory by Zheng3

The Penny Catapult is a free printable 3D model from MyMiniFactory by Zheng3. Here's a basic torsion catapult. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MyMiniFactory

48 saves Source: MyMiniFactory Updated 2026-11-11 License: DOWNLOAD-SHARE-MAINTAIN-LICENSE-CREDIT-REMIX-NONCOMMERCIAL · non-commercial

Tags: catapult, penny, zheng3, playtimebanner

About this model

Here's a basic torsion catapult. It uses one or more elastic bands to launch a U.S. penny if you print it at 1:1 scale. You probably won't get enough torque to be impressive with fewer than 3 bands. Penny not included!

Frequently asked questions

Is this 3D model free to download?: Yes. Penny Catapult is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Zheng3.
Who made this model?: Designed by Zheng3, published on MyMiniFactory. 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.