Timing Belt Pulley Generator

Design pulleys in your browser. Export to your workflow.

A parametric pulley generator built on ISO and ANSI standard formulas. Enter your belt profile and tooth count — get production-ready drawings and 3D models.

Key Features:

• 2D Export: SVG and DXF for laser cutting and waterjet.
• 3D Export: STL for 3D printing, STEP for CAD import.
• Wide Profile Support: HTD, GT2/GT3, STD/S-series, RPP, Imperial (MXL–XXH), T, and AT.
• Two-Pulley Drive: Centre distance, belt length, and drive ratio calculator.
• 3D Print Ready: Print Extra compensation with adjustable clearance and backlash presets.
• Fusion 360: Auto-import downloads directly into your active design.

Try our beta test Web App. No account required. Runs in your browser.