Three dimensions is the theme within the main body of the magazine and although 3D LOGO does exist few appear to use it. However, within the confines of the plane a representation of space can be attempted.

 
Cuboid
Hexagnal prism

 

The same idea has been used with three different motifs – square, hexagon and pentagram. The motif is repeated many times, each time with a change of colour and different starting point.
Star prism
Explore and see what you can design with a little recursion and the odd procedure or two. How about morphing one figure into another.
 

Clue

To move

PU
FD 1
RT 90
FD 1
LT 90
PD

End

Try altering the amounts of movement to exaggerate the perspective.