Spirograph Roulette Calculator
Precisely calculate the bounding box and dimensions for hypotrochoid and epitrochoid curves.
Parameters
120
40
60
How it works
Adjust the sliders to manipulate the curve geometry. The calculator instantly derives the exact bounding box (Width, Height, and Center) required for your plotter or cutting machine.
Width
-
Height
-
Center (X, Y)
0, 0