hi guy who knows realize this effect http://vimeo.com/82395134 [vimeo.com]

thanks

best regards

It's probably just a lot of procedural modeling work. To are a lot of ways to create mesh out of particles. Some of them are:
- VDB From Particles -> Convert VDB to polygons
- Copy SOP for geometry onto the polygons

Probably followed by adding noise, shaping ,etc.