actually the beginning was because I quickly place the lower cube and in falls a little and I did this not see until later..sorry no orange slices in the cubes
Funny I was having a similar idea but for creatures attach different legs,arms,wings etc to basic body shape with a head you should try it and see what happens...
Actually just a tube swepted along path with model with flare inside and ring that glows following original path in opposite directions and a few streaks
tubetest.mov
tubetest.zip
tweaked a little and added hair to the edge also notice in the last one the "cell" was not really being completely blocked by the black object ...fixed that now to make it even more springy
microdisc2.mov
disc2.zip
I think its the tolerance have not played much with that was hoping to get a more fluid action just with the movement will have to play with it more also