Mathematical art activity. Also suitable for Valentine
how to draw geometric cardioid & heart art in spirograph pattern
Cardioid Definition, Graph & Equation - Video & Lesson
how to make a cardioid out of string art
Originals Original Content
Drawing a cardioid Teaching Resources
Cardioid -- from Wolfram MathWorld
Originals Original Content
Rings and Strings
HeArtful Maths - ARTFUL MATHS
Chessboard obtained by drawing a cardioid
Originals Original Content
How to Draw Cardioids with LEGO Robots: A Technical-Mathematical
Cardioid -- from Wolfram MathWorld
Drawing a cardioid Teaching Resources
Draw Curves with Straight Lines - MATHEMATICS OF WAVES AND MATERIALS