The best shattering examples i have ever seen in blender:
This could be so handy for mango and me
Its from phymec and he added the voronoi things into bullet/blender…
ITS NOT INTEGRATED IN THE ACTUAL BULLET ENGINE IN BLENDER!
Here is the workflow in blender:
and some older stuff from phymec
Ok i didn not know that phymec is chiarusco from the luxrender forum:
Here is the post bullet-engine-forum :