I prefer the
Hypercube shaped robot. More reading
here here and
here.
That way you can hide your contraptions in the 4th dimension, and expand your robot size at will :-)
Makes it easier to fit inside the constraint box. Puny FIRST limits only apply to 3 dimensions.
*lays 6x6x6 inch cube on the playing field, match starts and a huge 12x5x7 monster of a robot emerges*
muahahaha