Nr. 418
Left-hand helix
Row: 1

Nr. 243
Helical surface
Row: 1

Nr. 417
Right-hand helix
Row: 1

Nr. 203
Rotational areas, asymptote lines
Row: 2

Nr. 204
Rotational surfaces, asymptote lines
Row: 2

Nr. 205
Rotational surfaces, asymptote lines
Row: 2

Nr. 206
Rotational surfaces, asymptote lines
Row: 2

Nr. 379
Developable helicoid and cylinder through the edge of regression
Row: 3

Nr. 66
Standard helicoid
Row: 3

Nr. 64
Developable helicoid
Row: 3