At the exhibition matemilano
From a photo of Michele Ciribifera’s helicoid at the entrance of the exhibition matemilano in the Museum of Science and Technology in Milan, September 2003-May 2004.
© matematita
elaborazione grafica di Giovanna Angelucci (da una foto di Sabrina Provenzi)
The image belongs to the sections...:
Images from the maximum and minimum section (From the exhibitions of matematita)
Lines and curves in 3d-space (3D geometry)
Further information:
http://matemilano.mat.unimi.it