Formula 4 Steering Wheel for SimHub
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Formula 4 style steering wheel with rev lights, eight buttons and a Nextion screen which is compatible with SimHub.
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Formula 4 Steering Wheel with Assembly Guide
This project contains the components to build a Formula 4 style steering wheel that is compatible with popular sim racing software SimHub. This is the same style of wheel used in the iRacing version of the FIA Formula 4 car.
The steering wheel specification consists of:
2.4" Nextion screen
Two paddle shifters
6 push buttons
11 LED lights
Adaptor to fit to a 70mm pattern quick release
The provided project files include:
Fully illustrated 48 page assembly guide
.stl and .step files for each 3D printed or CNC machined component
Gerber files for two PCBs
Files for the screen compatible with SimHub
Disclaimer
When you start this 3D printed project and use this guide, you're agreeing to the following:
This guide is here to help and inform you. While I’ve worked hard to make it accurate, I can't guarantee it's perfect or completely free of errors. The success and safety of your project ultimately depends on your own skills, good judgement, and following proper safety procedures. If you're ever in doubt, I strongly recommend asking for advice on the DIY Sim Racing Workshop Discord.
You're building this project at your own risk. I cannot be held responsible for any damage to property, injuries to yourself or others, or any other losses that might occur from using the instructions in this guide, from any errors in the guide itself, or from the construction and use of your 3D printed creation.
It's your responsibility to:
Be careful and use appropriate safety gear.
Understand the potential risks and limitations associated with 3D printing, electronics,
and any other tools or materials you use.Follow all relevant safety guidelines and best practices.
Double-check any information or instructions before you proceed.
By using this guide, you agree to release me from any claims for damages, injuries, or losses that might come up as a result of your involvement in this project.
I hope you enjoy building this F4 Steering Wheel.
Update 19/02/2026 - you can now mould your own grips with polyurathane rubber and this moulding stand and mould project!