@ 520 687 511 255 The "2001" space station The model was read into the computer as a set of (x,y,z) coordinates and can be zoomed or rotated within the computer to view it from any angle. Note how "hidden" lines and surfaces are all visible (a "wire-frame" model) and confuse the eye. This can be improved.. @ 0 128 32 255 Model courtesy P. Reid @ 656 687 32 255 1