Gadgets

3D models of wheeled robots for 3D printing

This collection gathers 3D models of robots that move on wheels: camera-carrying FPV builds, omni and mecanum platforms, rovers, crawlers and small sumo bots. Alongside complete bodies there are separate wheels and drivetrain parts for people who assemble a chassis themselves. It is useful if you are planning a 3D printing project around motors, electronics and a wheeled base. 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.

Une collection Polyzon · 48 modèles sur 7 plateformes

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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À propos de la catégorie

«3D models of wheeled robots for 3D printing»

The models differ mainly in how they steer. Two-wheel plus caster layouts keep the build simple, omni and mecanum wheels allow sideways movement, and directional or spike wheels appear on rovers and crawlers meant for uneven ground. Camera and FPV versions add a mount for a board and lens, while sumo-style bodies are compact and low. Separate wheel generators and replacement wheels let you match a hub to the shaft you already have.

Before printing, read the author's page for the wheel diameter, the shaft or hub interface, the number of parts and how they join, and whether the model needs supports. Check the material and settings the author lists, since thin wheel spokes and large flat chassis plates behave differently in PLA and in tougher filaments. Look at photos of real prints to judge tolerances around motor mounts and axle holes, and expect to ream or sand holes to fit.

To widen the search, try terms such as rover, crawler, chassis, mecanum, omni wheel, differential drive or robot base, and combine them with the board or motor you plan to use. Related topics include RC car parts, wheel hubs, motor mounts and gearboxes, which often appear as separate models and can be mixed with a robot body. If a result set is too broad, narrow it by wheel type, by scale or by the electronics the model was designed around.

FAQ

Questions fréquentes

What do I need besides the printed parts for a wheeled robot?
Typically motors or gearmotors, a driver board, a controller, a battery holder and fasteners. The author's page usually lists the hardware the model was built around, so start there.
How do I choose between omni, mecanum and standard wheels?
Standard wheels are simpler and need fewer motors to drive. Omni and mecanum wheels add sideways motion but require individual motor control for each wheel and more careful alignment.
Which filament works for robot chassis and wheels?
Many builders use PLA for rigid plates and a tougher filament for wheels and parts that take impact. Check the material the author lists and how the part is loaded before deciding.
Can I scale a wheeled robot model up or down?
Scaling changes axle holes, motor mounts and screw clearances, so small changes are usually safer than large ones. If you rescale, recheck the fit of every mechanical interface.
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