|Not Sci-Fi 4D, Math and Physics 4D.
Just as 3D objects can cast flat (2D) shadows, 4D objects can cast 3D shadows. THAT is what this model represents:
Here's a YouTube video on building the Hyperdo by Kevin Kelly, Senior Maverick at Wired magazine (he co-founded Wired in 1993):
|Name||0 Short||1 Medium||2 Long|
|R Red||00||Hypershort Red||120|