spyrograph
spyrograph.core
spyrograph.epicycloid
spyrograph.epitrochoid
spyrograph.epitrochoid.epicycloid
spyrograph.epitrochoid.epitrochoid
spyrograph.epitrochoid.special
spyrograph.epitrochoid.special.cardioid
spyrograph.epitrochoid.special.nephroid
spyrograph.epitrochoid.special.ranuncloid
spyrograph.hypocycloid
spyrograph.hypotrochoid
spyrograph.hypotrochoid.hypocycloid
spyrograph.hypotrochoid.hypotrochoid
spyrograph.hypotrochoid.special
spyrograph.hypotrochoid.special.astroid
spyrograph.hypotrochoid.special.deltoid
spyrograph.hypotrochoid.special.ellipse
spyrograph.hypotrochoid.special.tusi_couple