3xD / Mini RC chassis

Latest version 2.7-rc3 Release candidate

Build.
Tune.
Drive.

Your car. Your setup. Choose a 3 mm GRP or 4 mm printed chassis. The printable parts are free to download for both builds.

Get the free files Choose your build Apply to be a team driver
3xD bare RC chassis with angular cutouts and adjustable battery retention, shown without battery, wheels or body
1.6-rc1 CAD visualization · Hardware shown for context
Free STL files / Two chassis routes / Evolving designExplore the release notes →

The 3xD signature

Every detail belongs.

Angular cutouts, clear setup markings and adjustable battery positioning. A consistent design from the chassis to the smallest parts.

Chassis underside with centred 3xD logo, front swept blades and rear chevron cutouts

Cut with intent.

The 3xD signature reads from underneath, with swept front blades and rear side chevrons carrying the same angular styling.

Centred logo / 4 mm D-support bridges
4-1 front arm with four caster dots above one camber dot

Count the dots.

Read caster from the upper row and camber below. Choose from four arm setups, then match the brace to your camber setting.

4-0 / 4-1 / 7-0 / 7-1
Faceted battery bar with its swivel support and finger

Position. Clamp. Go.

Faceted bars and recessed blade details keep the battery hardware in step with the chassis. Adjust the position to suit your build.

±4 mm fore / aft travel

Choose your build

Two ways in.

Free printable parts for both builds. Choose the pack that matches your GRP or printed chassis.

01 / GRP chassis

3 mm. Sheet build.

Start with the GRP chassis and matching pod plate. Download and print all the matching 3D printed parts for free, then add your hardware. Check your event’s current class rules before racing.

Get the free GRP-version parts →
3 mm GRP chassis CAD visualization

02 / Printed chassis

4 mm. Print your own.

Build around a printed chassis for club nights, testing ideas and making your own replacements. Use the matching printed-chassis parts.

Get the free printed-chassis files →
4 mm printed chassis CAD visualization

Make it your own

Build. Repair. Repeat.

Find the files and components for your next step.

3xD / Team drivers & brand ambassadors

All ages. All abilities.

You do not have to be the fastest driver or win races to join 3xD. We welcome people of all ages and abilities, from complete beginners to experienced racers.

Team driver & brand ambassador application

We are looking for friendly, enthusiastic brand ambassadors who enjoy RC, help others and represent 3xD positively. Share your builds, offer honest feedback, encourage new drivers or get involved in your local RC community. Your attitude and enthusiasm matter more than your results.

No race results, club membership or social media following are required. Tell us what you enjoy about RC and how you would like to get involved. Fields marked * are required.

Tell us what you enjoy about RC: driving, building, printing, racing or helping others. If you are just starting out, we would love to hear what interests you. No racing experience is needed.

For example, helping new drivers, sharing your builds, attending club events, testing parts or giving feedback. Tell us what suits your interests and availability.

We will use these details to review and respond to your application. Read our privacy policy.

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