4 9/13/11 — 4:16pm Filed under : #GIF   #math   #knot theory   #projective geometry   #4D   #KnotPlot   #projections   A 3D perspective projection of a 4D slice knot rotating while keeping two orthogonal planes fixed. Created with KnotPlot more PRINT THIS POST Notes: 4 9/13/11 — 12:17pm Filed