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Robot Claw 3D Models: STL Grippers and Hands

This collection gathers 3D models of robot claws, grippers and mechanical hands made for 3D printing. It covers simple two-part grippers, articulated five-finger hands, insect-inspired claws and claws that come as part of a whole robot. Because the parts move against each other, the model pages are worth reading closely before you slice an STL. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.

Comment cette collection est composée

Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.

Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 13/10/2026


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«Robot Claw 3D Models: STL Grippers and Hands»

The models fall into a few groups. Gripper claws are usually compact two- or three-jaw mechanisms that open and close around an object. Posable hands have separate finger segments and more joints, so they take longer to assemble. Mantis-style and insect claws imitate a curved, hooked shape, while some files pair a claw with a full robot body or a tracked base. Parametric versions let you change jaw length, finger count or mounting holes before export.

When choosing a file, look at how the claw is driven: a servo horn mount, a linkage, a gear train or a spring. Check the stated scale and the size of the opening, since a claw sized for a small servo will not grip large objects. Read the part count and whether fasteners, bearings or servo screws are required, and see if the author lists supports, layer height, wall count and material. Photos of real prints show how the joints fit better than renders do.

To widen the search, try the words gripper, end effector, manipulator, mechanical hand, finger and jaw alongside claw. Related topics include robot arms with several degrees of freedom, tracked and climbing robots, and servo-driven mechanisms. If you want a simpler build, search for two-part or single-piece designs; if you want more articulation, look for posable or multi-finger versions.

FAQ

Questions fréquentes

What is the difference between a robot claw and a gripper?
The words overlap. A claw usually means a hooked or jaw-like end, while a gripper is the general term for the part that holds an object, whether it uses two jaws, three jaws or fingers.
How many parts does a printable robot claw have?
It varies widely. Some designs are a single printed piece with a living hinge or a flexing joint, while articulated hands can run to dozens of parts plus screws and servo horns. The part list on the model page shows what you need.
Which material works for moving claw parts?
It depends on the load and the joint type. Many builders use PLA for rigid links and PETG or ABS for parts that flex or take impact, and the author's notes usually name the material and settings that were used.
Can I scale a claw model up or down?
Often yes, but pin holes, screw threads and servo mounts change size with the model. If you rescale, check those dimensions against your hardware or adjust them in the source file.

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