Nr. 451
Closed polyhedrons without self-penetration
Row: 1

Nr. 452
Closed polyhedrons without self-penetration
Row: 1

Nr. 453
Closed polyhedrons without self-penetration
Row: 1

Nr. 454
Closed polyhedrons without self-penetration
Row: 1

Nr. 455
Closed polyhedrons without self-penetration
Row: 1

Nr. 456
Closed polyhedrons without self-penetration
Row: 1

Nr. 461
Two spheres
Row: 2

Nr. 213
Bean field for the determination of curvature lines
Row: 2

Nr. 212
Bean field for the determination of curvature lines
Row: 2

Nr. 222
Surface of constant width
Row: 2

Nr. 223
Surface of constant width
Row: 2

Nr. 224
Surface of constant width
Row: 2

Nr. 229
Surface of constant width
Row: 2

Nr. 36
Three single-leaf rotation hyperboloids with different types of geodetic lines
Row: 3

Nr. 443
Peano surface
Row: 4

Nr. 235
Double hyperboloid of Hadamard for the study of geodetic lines
Row: 4

Nr. 236
Minimal surface according to Henneber
Row: 4