OBJ models can have an unlimited number of vertexes per-face (N-gons). MM3D imports the faces as a triangle fan. This only works correctly if the polygon is convex. If the polygon is concave or complex then the imported mesh may have triangles set up incorrectly.
OBJ models can have an unlimited number of vertexes per-face (N-gons). MM3D imports the faces as a triangle fan. This only works correctly if the polygon is convex. If the polygon is concave or complex then the imported mesh may have triangles set up incorrectly.