Stereo image of 3-D projection of the 600-cell

Animation of a 4-dimensional rotation of a 24-cell.

Stereo pairs that fuse to a 3-dimensional view of 3-dimensional projections
Bottom, 24-cell (rotating)
The colors code the 4th dimension:
Green for the present; Red for the past; Blue for the future.

Graphics by Michael Gibbs (Tony Smith's page)