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# A simple triangle object for testing o Quad v 0 0 0 v 1 0 0 v 0 1 0 v 1 1 0 vn 0 0 1 vt 0 0 vt 1 0 vt 0 1 vt 1 1 f 1/1 2/1 3/1 f 2/1 4/1 3/1 o Quad_face f 1 2 3 4