[FIDOCAD]
TY 10 25 4 3 0 0 0 * (-2)L1:
TY 10 40 4 3 0 0 0 * L2:
TY 5 55 4 3 0 0 0 * nuova L2:
TY 40 25 4 3 0 0 0 * -2x+6y+4z=-12
TY 40 40 4 3 0 0 0 * 2x-4y-3z=8
TY 50 55 4 3 0 0 0 * 2y+z=-4
LI 35 50 95 50 0