Cycloid

If we look beyond the circumference, what path does a point attached to a rolling wheel take?

Tags: Cycloid, curve, locus

Hypocycloid

Rolling a smaller circle inside a larger one draws a hypocycloid

Tags: Cycloid, curve, circle

supertrammel

Archimedes Trammel has 2 sliders and 1 degree of freedom.  This ”supertrammel” has 3 sliders and still has 1 degree of freedom.  We made one out of wood and enjoyed playing with it. You can play with this electronic reproduction.

Tags: trammel, cycloid