Trifolium using contra-parallelograms July 31, 2016/in Linkage Animations /by Prof. McCarthyTrifolium Contra-parallelogramsYang Liu shows that a simple linkage can draw the trifolium curve. For comparison here is the Kempe linkage that draws a trifolium curve obtained by Alexander Kobel. http://www.a-kobel.de/kempe/animations/x4-x3+2x2y2+3xy2+y4-mn-0.6-extended.mp4 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related https://i2.wp.com/mechanicaldesign101.com/wp-content/uploads/2016/07/TrifoliumContra.jpg?fit=1900%2C1063&ssl=1 1063 1900 Prof. McCarthy https://mechanicaldesign101.com/wp-content/uploads/2016/07/mechanical-design-101LOGOf.png Prof. McCarthy2016-07-31 11:11:472017-04-14 13:51:30Trifolium using contra-parallelograms