How to play

Rolling-gear rosettes

Choose a gear ratio and pen offset, then crank a full rolling cycle to draw a closed rosette.

Play game →

Controls

  1. Choose a gear ratio and pen offset, then crank a full rolling cycle to draw a closed rosette. Select and drag parts. Marked outlines show required geometry; the action buttons select tools and test the result. Retry replaces the current material only.

5 levels

Background reading ↗