Labels Milestones
BackV 8.0472466" d="M 1.692914,7.6535458 V 7.8503962" d="m 1.8897644,26.237798 -1.65354393,-3e-6" d="m 0.39370092,26.040948 v 0.19685" d="m.
- 0.63066 0.768477 0.108216 vertex 4.87024 3.18104 21.335.
- Th=right_rib_thickness); // top horizontal rib.