Does anyone have an idea which algorithm could be used to generate the triangles needed to fill approximately a 2d shapes defined as 1 bit image. Basically the result should be something similar to:

Hi guys, I am a new user of Toxiclibs and not particularly expert of 3D. What would be the simples way to create a prism with Toxiclibs where the 2 poligons at the top and bottom are different? Do I have to calculate all the mesh (triangles) by myself?