🔄 Spirograph
Watch the pen trace curves as the inner circle rolls inside the outer. Change the gears and pen distance to get different patterns.
Drawing
Adjust inner radius and pen distance below — each combination creates a unique pattern.
Inner gear radius
60 px
Pen distance from center
40 px
Speed
1×
Color
Tip
When inner radius divides evenly into the outer, the curve closes into a repeating pattern. Try 40, 60, or 80 for the inner radius.