[FIDOCAD]
TY 10 25 4 3 0 0 0 * 3L1:
TY 10 40 4 3 0 0 0 * L3:
TY 5 55 4 3 0 0 0 * nuova L3:
TY 40 25 4 3 0 0 0 * 3x-9y-6z=-18
TY 40 40 4 3 0 0 0 * -3x+6y+8z=-5
TY 50 55 4 3 0 0 0 * -3y+2z=13
LI 35 50 95 50 0