%0 Journal Article %A Carlo H. Séquin %T Analogies from 2D to 3D Exercises in Disciplined Creativity %J Visual Mathematics %D 2001 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VM_2001_3_1_a5/ %G en %F VM_2001_3_1_a5