This image was created with POV-Ray. #include "colors.inc" /* Makes a trefoil knot using a hypotrochoid */ background { color White } global_settings {...
;http://www.f-lohmueller.de/pov_tut/animate/anim001d.htm Antialias=Off Antialias_Threshold=0.1 Antialias_Depth=2 Input_File_Name="knot.pov" Initial_Frame=1 Final_Frame=36...