Simon

 

starting configuration.

 

these worms are chains of segments. each joint has a fixed angular sinusoidal motion. the interactions between these small motions create an overall worm-like motion.

 

the tails of the worms are fixed in space. when the heads of two worms collide, the worm grows in length.

 

a moderately evolved form.

a side view of another form.

 

a set of very long worms.