Models of rubric: Lines of curvature, asymptotic lines, geodesic lines, parabolic curve Model 31 Triaxial ellipsoid with main ellipses Model 32 Oblate rotation ellipsoid with a geodetic line Model 33 Oblate rotation ellipsoid with a geodetical line Model 34 Prolonged rotation ellipsoid with a geodetic line Model 35 Triaxial ellipsoid with geodetic lines and its envelops Model 36 Three single-leaf rotation hyperboloids with different types of geodetic lines Model 198 Catenoid with geodetic lines. Model 199 Onduloid with geodetic lines. Model 200 Nodoid Model 201 Rotational surfaces, asymptote lines Model 202 Rotational surfaces, asymptote lines Model 203 Rotational areas, asymptote lines Model 204 Rotational surfaces, asymptote lines Model 205 Rotational surfaces, asymptote lines Model 206 Rotational surfaces, asymptote lines Model 207 Rotational surfeaces, asymptote lines Model 208 Rotational surfaces, asymptote lines Model 209 Rotational surfaces, asymptote lines Model 210 Rotational surfaces, asymptote lines Model 211 Apollo of the Belvedere with parabolic curve Model 212 Bean field for the determination of curvature lines Model 213 Bean field for the determination of curvature lines Model 220 Area of third order to the theory of parabolic points Model 235 Double hyperboloid of Hadamard for the study of geodetic lines Model 384 Rotational surfaces, asymptote lines Model 385 Rotational surfaces, asymptote lines