Similarly, we can understand 4D objects by studying their 3D projections or "shadows". 2. Higher-Dimensional Polytopes
The Visual Guide to Extra Dimensions: Visualizing the Fourth Dimension, Higher-Dimensional Polytopes, and Curved Hypersurfaces . The Visual Guide to Extra Dimensions Volume 1: ...
A 2D being would see a 3D object as a series of 2D cross-sections. Similarly, we can understand 4D objects by studying