imperfect 3d object with smooth surface



Hi,

I would like to draw a 3d object like a cube for example with a random 
perturbation giving a smooth surface
in the mind of figure 1 (http://www.measurement.sk/Papers3/Durakbasa.pdf).

Is there a way to do that with draw package ?

Regards

-- 
Jean-Fran?ois MAUREL
PIMECA
http://www.pimeca.com