Models of rubric: Conformal maps Model 247 Orthogonal circle nets Model 248 Orthogonal circle nets Model 249 Orthogonal circle nets Model 250 Conform mapping of the ellipsoid on the sphere Model 306 Drawing to the Schwarz reflection principle Model 312 Drawing to a conform mapping Model 339 7 orthogonal systems Model 396 Drawings to the conform mapping Model 397 Drawings to the conform mapping Model 398 Drawings to the conform mapping Model 399 Drawings to the conform mapping Model 567 Drawings to the conform mapping Model 568 Drawings to the conform mapping Model 569 Drawings to the conform mapping Model 897 Four curve grids on glass