528 non-self-intersecting polygonal shapes from a 3x3 grid of points
Alexandre B A Villares
These are all the 528 non-self-intersecting polygonal shapes that can be made from a 3 by 3 grid of points, ordered by area. Get a a PDF poster, made with Processing Python mode, and the code you can study and run yourself!
(To run the code you'll need to install Processing 3.5.4 and Python mode, instructions at https://abav.lugaralgum.com/como-instalar-o-processing-modo-python/index-EN.html)
PDF for printing, and the code used to generate this.