The most common use for "paper" with gear generators is to print templates for cutting gears out of plywood or other materials.
A quality gear generator does more than just draw a circle with teeth. Modern parametric generators provide, at minimum, the following features: gear generator
Essential for manufacturing, tools export to CAD-compatible formats (SVG for laser cutting, DXF for CNC, STL for 3D printing). The most common use for "paper" with gear