Gear Generator Pro - Free Online 3D Printable Gear Designer
Design custom gears for RC cars, robotics, and mechanical projects. Export STL files instantly.
Create Custom Gears in Seconds
Gear Generator Pro is a free online tool for designing precision gears for 3D printing, CNC machining, and engineering projects. Generate spur gears, helical gears, bevel gears, worm gears, rack and pinion, and sprockets with real-time 3D preview.
Perfect for RC Car Enthusiasts
Need a replacement pinion or spur gear for your RC car? Our gear generator lets you create custom gears with exact specifications. Set your tooth count, module, bore diameter, and gear thickness to match your RC vehicle perfectly. Export as STL and 3D print your own gears.
Supported Gear Types
- Spur Gears - Standard straight-tooth gears for parallel shafts
- Helical Gears - Angled teeth for smoother, quieter operation
- Bevel Gears - For intersecting shafts at angles
- Worm Gears - High reduction ratio gear sets
- Rack and Pinion - Convert rotational to linear motion
- Sprockets - Chain-driven power transmission
- Internal/Ring Gears - For planetary gear systems
Export Formats for 3D Printing
- STL - Ready for 3D printing (FDM, SLA, SLS)
- STEP - For CAD software integration
- DXF - 2D profiles for laser cutting
- OBJ - 3D modeling and rendering
Use Cases
- RC cars and trucks - custom pinion and spur gears
- Robotics projects - precise gear trains
- 3D printing enthusiasts - functional mechanical parts
- Makers and DIY projects - replacement gears
- Educational purposes - learn about gear mechanics
- Prototyping - test gear designs before production
Why Choose Gear Generator Pro?
- Free 15-day trial with all features
- No software to download - works in your browser
- Real-time 3D preview of your gear
- Accurate involute tooth profiles
- Multiple bore types (round, D-shaft, hex, square)
- Professional export quality