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NEMA 34, CH341 and R34 3D Models to Print

This collection gathers 3D printing models where the number 34 shows up in the name or the design: stepper motor hardware, programmer enclosures, kit cards and puzzle boxes. It is useful when you already know the part number, the car or the puzzle you are after and want STL files that match it. The mix is wide, so the sections below explain how the groups differ. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

O texto desta coleção está em inglês; a busca funciona em qualquer idioma.

Uma coleção do Polyzon · 48 modelos de 6 sites

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O Polyzon monta esta coleção a partir dos resultados de busca dos sites conectados. Repetições e modelos sem prévia são removidos, correspondências fracas vão para o final e o restante segue a ordem da busca. Os modelos pertencem aos seus autores — confira os termos na página de cada modelo.

Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 12/10/2026

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«NEMA 34, CH341 and R34 3D Models to Print»

The models fall into a few clear groups. Kit cards are flat printed sheets whose parts snap out and assemble into a small car, tank or aircraft, and they differ mainly in part count and how the pieces join. Functional items such as stepper motors, gearbox adapters and programmer cases are shaped by the electronics they hold, so their dimensions matter more than their looks. Puzzle boxes sit in between: they are decorative, but they only work if the moving parts fit together.

When you open a model page, check the size and scale first, then the number of parts and how they are assembled. Look at whether the author says supports are needed, which material and settings they list, and whether there are photos of real prints rather than renders alone. For anything that holds a motor, a board or a moving lid, compare the stated dimensions with the part you have before printing.

Search results for a short term like this are noisy, so it helps to add context. Try the full part name, the frame size of the motor, the chip name on the board, or the vehicle and puzzle type instead of the number alone. Related terms such as kit card, puzzle box, motor mount, gearbox adapter and programmer case usually return a cleaner set of files.

FAQ

Perguntas frequentes

What is a kit card in 3D printing?
It is a model printed as a flat sheet with the parts still attached to a frame. You snap the pieces out and assemble them, so the print itself acts as the packaging.
What does the number in a NEMA motor name mean?
It refers to the frame size of the motor faceplate, not its power. A larger frame number means a bigger mounting footprint, so check the drawing before printing a mount or adapter.
How do I find models for a specific chip or board?
Search for the exact chip or board name and add the word case or enclosure. Then compare the opening dimensions and port cutouts on the model page with your own board.
Why do puzzle boxes need careful settings?
The moving parts rely on a small gap between surfaces. Layer height, material and the clearance the author lists all affect whether the mechanism slides, so read those notes before slicing.
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