Online: Gear Generator

He sent it to the printer at 2 AM. By morning, a translucent green gear sat on the build plate. He calipered the bore. 4.98mm. A perfect friction fit. He meshed it with a rack he’d printed an hour earlier. It spun without binding. No wobble. No shimming.

The site looked like it hadn’t been updated since the early 2000s. Beige background. Comic Sans headers. A single JavaScript slider for “Number of Teeth” that went from 6 to 200. There was no 3D preview—just a flat, black-and-white SVG wireframe that regenerated every time you twitched the mouse. online gear generator

Today, the "Online Gear Generator" has democratized this process. These web-based tools act as instant calculators and exporters, allowing users to parametrically design spur gears, gear racks, and gear trains within seconds. This write-up explores the functionality, utility, and limitations of these tools for the modern maker. He sent it to the printer at 2 AM