afterall, my pstrick is running

Anyway, I have to do some squeezed 3D grid plots (it should look like a a motion of a propagating longitudinal wave)... I can produce my a 3D grid plot. Both do you have any idea how to change the width of each cell individually? I have attached a fiure, what I would like to create...
Apart from that, is it possible to squeeze and expand any kind of coils or springs, which are part of the package?
example for squeezing: