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3D Models of Prostheses: STL Files for 3D Printing

This collection gathers 3D models related to prostheses: hands and forearms, separate fingers, knee and hip parts, and dental items. Most files are made for 3D printing, so you can study the geometry, the joint layout and the assembly before opening them in a slicer. The range is wide, from simple display pieces to multi-part mechanisms. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

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このコレクションは、Polyzonが対応サイトの検索結果をもとに作成しています。重複やプレビューのないモデルは除外し、関連性の低いものは後ろに回し、それ以外は検索結果の順に並べています。モデルの権利は各作者にあります。利用条件は各モデルのページでご確認ください。

選定基準：Polyzon編集部 · 本文の更新日：2026年10月11日

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«3D Models of Prostheses: STL Files for 3D Printing»

The topic splits into several directions. Upper-limb designs include full hands, forearms and individual fingers, often built around hinges, pins or elastic elements. Lower-limb entries cover knee and hip components, while a smaller group deals with dental prostheses as models or as containers for storage. Display and teaching models form another group: they show the shape and structure rather than function.

When choosing a file, open the author's page and read the listed parameters. Check the overall size and scale, the number of separate parts and how they connect, whether supports are required, and which material and print settings the author names. Photos of real prints help you judge wall thickness, clearances in the joints and how the surfaces come out. For anything worn on the body, the fit depends on measurements you take yourself, not on the model alone.

If the results look narrow, try other wordings. Searches for prosthetic hand, artificial limb, mechanical finger, forearm socket or finger replacement often lead to the same group of files. Related terms such as hinge, pin, knuckle, palm or wrist bring up parts rather than complete assemblies. Adding a body part or a mechanism type to the query usually narrows the list faster than browsing.

FAQ

よくある質問

What usually decides how many parts a prosthesis model has?
It depends on the mechanism the author chose. Simple finger and display models are often one or two pieces, while hands with moving joints are split into several parts that are printed separately and then assembled.
Can a prosthesis model be scaled to another size?
Scaling is possible in a slicer, but it changes wall thickness and the clearances between moving parts. Check the author's notes on the intended scale first, and compare the dimensions with your own measurements.
Which materials do authors mention for these parts?
Rigid sections are commonly printed in PLA or PETG, and flexible elements in TPU. The exact material and settings are listed on the individual model page, so read them before slicing.
How do I find finger models when the search shows only full hands?
Add words like finger, thumb, knuckle or single to the query, or search for the specific finger. Related terms such as mechanical finger or finger replacement also bring up separate designs.
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