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Movable 3D Piggy Banks: STL Models with Moving Parts

This collection gathers 3D models of piggy banks and coin banks, from plain slot-and-plug shapes to figures with a moving tongue or a hinged lid. It helps if you want a small 3D printing project that combines a container with a simple mechanism. Most entries are STL meshes, and each one links to the author's page with the details of the build. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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Seçim kuralları: Polyzon editör ekibi · Metin güncellendi: 14.10.2026

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«Movable 3D Piggy Banks: STL Models with Moving Parts»

The largest group is the classic bank: a hollow body with a slot on top and often a removable plug underneath. A second group adds motion, such as a tongue that flips when a coin drops, a lever, or parts printed in place so the piece leaves the plate already moving. Themed banks borrow shapes from characters, games or vehicles, while vault-style designs imitate small safes and cash boxes with a door and a lock detail.

Before printing, open the model page and read what the author lists: overall size and scale, wall thickness, the number of separate parts and how they join, and whether supports are needed for overhangs. Compare the material and settings the author used, since a thin hinge or a moving joint behaves differently in PLA and in PETG. Photos of real prints show how the mechanism looks after assembly and where the clearances sit.

If the results feel too narrow, try other wordings: coin bank, money box, savings box, cash box, or pig figure. Related searches include print-in-place mechanisms, articulated toys, and desk organizers with a slot. Pairing a subject word with a mechanism word, such as a moving tongue or a hinged lid, usually narrows the list faster than one broad term.

FAQ

Sıkça sorulan sorular

What does print in place mean for a piggy bank?
The moving part is printed already assembled, with a small gap between the surfaces. After printing you work the joint loose so it can move.
Do these models need supports?
It depends on the design. Some are drawn so the snout, roof or hinge spans without them, while others need support under overhangs. The author's notes usually state which case applies.
How do I keep coins from blocking the mechanism?
Keep the moving part clear of the coin path and test the motion with a single coin before the bank fills up. A wider slot or a steeper internal ramp also helps coins slide past.
Can I scale the model up or down?
Scaling changes wall thickness and the clearance in joints, so a small hinge may fuse or a thin wall may become fragile. Adjust the scale in small steps and check the moving part after the first print.
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