Anti-parabola propoganda, plus musing on math class, cardioids, connect the dots, envelopes of lines, even a bit of origami. Another way to get a cardioid is to add up circles like this: ... Extra poin
by Nalina Clothing Store
by K Werner Design
by Copic in the Craft Room
by tamilflavours By Andrea
by kentarothebest
by Fine Art-Tips