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Why are the surfaces of the cube split into eight triangles as such? When triangulating large shapes, is there a process for how to split it up into triangles optimally, or is it done randomly?


I remember somewhere we talked about how triangulation can be done very fast via GPU. Is deciding the number of triangles that we split a face into part of the GPU's job then?


Are the two axes still perpendicular in the object space?


What determines the triangle configuration?