DescriptionHypocycloid-01.gif hypocycloid (deltoid) showing construction via rolling circle Date 21 August 2006 (original upload date) Source No machine-readable...
ellipse), hypocycloid with d=r Astroid touching point of the circles / instant centre of rotation Date 25 May 2017 Source Own work Author Jahobr GIF development...
("contracted") hypotrochoid with d<r line segment (degenerated ellipse), common hypocycloid with d=r ellipse, prolate ("extended") hypotrochoid with d>r circle...
