You have to fit, say, 29 squares into a bigger square. What arrangement is most efficient, i.e maximises the size of the squares? Turns out the optimal arrangements are amazing and I really hate them a lot https://t.co/CRkzrq7zDA
This is the implicit equation f(x,y)=0 of a triangle with arbitrary verts, that actually computes the exact Euclidean distance from (x,y) to the triangle.