pub const STR_SHAPE_MODEL_PLANE: &str = "v 1.0 1.0 0.0\r\nv -1.0 1.0 0.0\r\nv -1.0 -1.0 0.0\r\nv 1.0 -1.0 0.0\r\nf 1 2 3\r\nf 1 3 4\r\n";