Hobby & Maker

RC 1/12 3D Models: STL Bodies and Chassis Parts

This collection gathers 1/12 scale RC car models, from supercar and race-car bodies to chassis, drivetrain and accessory parts. Most files are made for 3D printing on a desktop 3D printer, so scale and part count matter more than the render. It is a useful starting point if you already own a small-scale RC platform or plan to build one around a printed body. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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Auswahlregeln: Polyzon-Redaktion · Text aktualisiert: 11.10.2026


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«RC 1/12 3D Models: STL Bodies and Chassis Parts»

The range splits roughly into body shells and mechanical parts. Body shells cover supercars, GT and touring racers, Japanese coupes and a few pickups, usually split into several pieces so they fit a common build volume. Mechanical items include chassis and suspension designs, wheel and track sets, and small accessories such as scale fuel cans. Some projects are complete cars with a defined drivetrain, others are shells meant to sit on an existing 1/12 or 1/10 chassis.

Before printing, read the author's page for the scale, the number of parts and how they join, and whether the model needs supports or a specific orientation. Check the material and settings the author lists, since thin body panels and load-bearing suspension arms behave differently in PLA, PETG or a tougher filament. Look at photos of real prints where available, and confirm the wheelbase and mounting points against your own chassis rather than assuming they line up.

If you want more results, try related wording: scale body shell, RC drift body, touring car body, or the drivetrain terms chassis, gearbox, differential and axle. Searching by body style, such as coupe, wagon, rally or truck, or by era, brings up different sets. Combining a scale term with a part type, for example 1/12 wheels or 1/12 suspension, narrows the list faster than browsing the whole topic.

FAQ

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What does 1/12 mean for an RC model?
It is a scale ratio: the model is roughly one twelfth the size of the real car. Actual dimensions still vary between authors, so compare the listed length and wheelbase with your chassis.
Do these models need supports?
It depends on the part. Body shells printed upright or in sections often need few or none, while spoilers, mirrors and suspension arms usually do. The author's page states what the design expects.
Can I use a printed body on an existing RC chassis?
Often yes, but mounting points, wheelbase and body width have to match. Check the dimensions given for the shell and plan your own mounts if the holes do not align.
Which filament works for RC car parts?
Many builders use PETG or a tougher blend for parts under load and PLA for display shells. The author's listed material and settings are the safest reference for a given design.

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