Sports & fitness

Throwers and Launchers: 3D Models to Print

This collection gathers STL files for models that throw, launch or fling something, together with a few display pieces that turn up in the same searches. It covers boomerangs, catapults, ball hoops, slingshots and fandom objects, so you can compare mechanisms before opening a file. Each entry leads to the author's page, where the geometry and print notes are described. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 47 models from 3 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-15

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About the category

«Throwers and Launchers: 3D Models to Print»

Returning shapes such as boomerangs rely on thin, balanced airfoils, while catapults and launchers use a frame, an arm and an elastic element to store energy. Ball hoops and keychains are mostly static parts that print as one piece or a small set. Fandom items, from thrones to swords, are display or prop builds where surface detail matters more than movement.

Before printing, read the model page for the part count and whether the assembly needs screws, pins or rubber bands. Check the size and scale against your build volume, and look at the material and settings the author lists, since thin arms and long blades behave differently in PLA and PETG. Photos of real prints show how the mechanism fits together better than a render.

If a search returns too much, narrow it with synonyms: thrower, launcher, catapult, slingshot, boomerang, disc. Related topics such as tabletop games, target practice or cosplay props often lead to the same kind of files. Combining a mechanism word with a part name, for example hinge or spring, usually cuts the list down.

FAQ

Frequently asked questions

What is a print-in-place thrower?
It is a model whose moving parts are printed already assembled, with small gaps between them. The author's page usually states whether the mechanism works straight off the plate or needs loosening first.
How do I choose between a catapult and a slingshot model?
Look at how the energy is stored: catapults use a tensioned arm, slingshots use elastic bands you supply yourself. Check the listed hardware and the size of the projectile the model is drawn around.
Do boomerang models need special settings?
Thin airfoils benefit from a slower outer wall and enough perimeters to keep the profile rigid. The author's page often lists a suggested layer height and infill for the shape.
Can these models be scaled?
Scaling changes wall thickness and the fit of moving parts, so a smaller copy may not behave the same way. Check the dimensions on the model page before resizing.
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