// If there are several wires, define the order of edges of inner wires:
// compute UV of inner edge-points using 2 methods: the one for in-face points
// and the one for on-edge points and then choose the best edge order
// If there are several wires, define the order of edges of inner wires:
// compute UV of inner edge-points using 2 methods: the one for in-face points
// and the one for on-edge points and then choose the best edge order