Labels Milestones
BackVertex 7.38374 -5.12136 3.82299 facet normal 0.470888 0.0463756 0.880973 facet normal -8.450106e-01 2.131883e-03.
- ); // the main hole format.
- Normal -9.992821e-01 3.956343e-03 3.767823e-02 vertex -1.042410e+02 9.725134e+01 1.087013e+01.