SPIROGRAPH
Hypotrochoid / Epitrochoid
R (outer)
120
r (inner)
45
d (pen dist)
60
Speed
1.0
x
x = (R−r)cos(t) + d·cos((R−r)/r·t)
y = (R−r)sin(t) − d·sin((R−r)/r·t)
Draw
Clear Canvas
Randomize