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TPU Case 3D Models: Flexible STL Files for Phones

This collection gathers STL files for cases meant to be printed in flexible filament, mostly phone shells plus smaller holders for trackers and keys. The models differ in wall thickness, cutouts and how many parts they are split into. It is a useful starting point if you want a case shape you can adjust in the slicer for your own device. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Esta colección está escrita en inglés, pero la búsqueda funciona en cualquier idioma.

Una colección de Polyzon · 46 modelos de 4 plataformas

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Polyzon reúne esta colección a partir de los resultados de búsqueda de las plataformas conectadas. Se eliminan los duplicados y los modelos sin vista previa, las coincidencias débiles van al final y el resto mantiene el orden de la búsqueda. Los modelos pertenecen a sus autores: consulta las condiciones en la página de cada modelo.

Criterios de selección: el equipo editorial de Polyzon · Texto actualizado el 13/10/2026

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«TPU Case 3D Models: Flexible STL Files for Phones»

The largest group covers phone shells for iPhone, Samsung Galaxy and Xiaomi Redmi models, usually as a single flexible piece with openings for the camera, buttons and ports. Alongside them are small holders for trackers and keychains, and cases for other handheld devices such as compact gadgets. The main differences are wall thickness, whether the sides are solid or include slits, and whether the file is one part or several that fit together.

Before printing, open the author's model page and check the listed dimensions and scale, the number of parts and how they assemble, and whether supports are needed for overhangs. Look at the material and settings the author describes, since flexible filament behaves differently from rigid plastics, and compare photos of real prints to see how the edges and thin walls come out. A quick measurement of your device against the stated size avoids a case that is too tight or too loose.

If the results feel narrow, try synonyms such as flexible case, bumper, shell, cover or holder, and add the device name with its model number. Related searches include tracker mounts, keychain carriers and back plates for magnetic accessories. Combining a device name with a filament type or a printing style often surfaces designs that a single keyword misses.

FAQ

Preguntas frecuentes

Do TPU cases need supports?
Many single-piece shells are drawn so the sides and camera openings print without them, but taller cutouts or split designs may need support. The model page usually states what the author used.
Which settings matter most when printing a flexible case?
Wall count and infill affect how stiff the case feels, and print speed matters because flexible filament tends to buckle in a Bowden setup. Check the temperatures and speeds the author lists for the material.
How do I know a case will fit my exact phone model?
Compare the dimensions given on the model page with your device, including camera bump height and button positions. Variants with similar names can differ in size, so match the model number rather than the marketing name.
Can I change the thickness or cutouts myself?
If the file is a plain mesh, you can scale it slightly or trim it in a mesh editor, though thin walls limit how much you can adjust. Files split into parts are easier to modify than a single closed shell.
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