Gear Generator 2 Beta Review

If you’ve ever tried to design a gear from scratch in CAD, you know the pain: involute curves, pressure angles, root fillets, and backlash calculations. It’s pure math, and it’s tedious.

Enter Gear Generator 2 Beta—the web-based tool that has quietly become the Swiss Army knife for hobbyist engineers and laser-cutting enthusiasts. Currently in its second major beta iteration, this free, open-source tool is redefining how quickly you can go from "I need a gear" to "I’m cutting a gear."

The dev team has included community-driven presets. You can now spawn a "LEGO Technic compatible" gear, a "Herringbone" gear, or a "NEMA 17 stepper mount" gear in seconds.

How does this beta stack up against other tools like Woodgears.ca or Fusion 360’s Add-in? gear generator 2 beta

| Issue | Workaround | |-------|-------------| | Undercut not visualized | Beta shows ideal tooth form. Enable “show undercut warning” in settings. | | STEP export fails for internal gears | Use DXF + extrude manually in CAD. | | Herringbone mirror glitch | Set “helix angle” same for both directions, then adjust “gap” > 0. | | Bevel gear cone angle | Beta only does straight bevels (not spiral). Cone angle = 45° default; recalc using pitch cone. | | Unit confusion | Everything is metric (mm, module). For inches: design in mm, scale 25.4× in CAD. |

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Always validate Beta’s STEP export in a free CAD tool (Fusion 360, Onshape) before manufacturing. Beta’s mesher occasionally flips normals on internal teeth. Import → check “surface orientation” → repair if needed.

Would you like a printable cheat sheet of formulas for center distance, outside diameter, and root diameter based on module and profile shift? If you’ve ever tried to design a gear

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Title: Back on the Grid: Why Gear Generator 2 Beta is a Total Game-Changer for Mechanical Design

Published: April 12, 2026 Category: Product Updates / Beta Access

If you’ve ever spent an afternoon wrestling with involute curves, module systems, and pressure angles just to get two cogs to spin without locking up, you know the pain. The original Gear Generator was a lifesaver for hobbyists and engineers alike—but let’s be honest, it had its limits. Always validate Beta’s STEP export in a free

Today, we are thrilled to announce that Gear Generator 2 is officially entering Public Beta, and it is not just an iteration. It’s a complete rebuild from the ground up.

Here is what you need to know about the beta, the new features that will save you hours of CAD time, and how you can get early access.

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