this is an Excellent article, the way its set out with the vids and pics. very technical but not rambley. I learnt alot out of it.
Bob would have been proud
Congratulations Lukas:) Amazing piece of 3D parametric shader:) thank You for sharing Your knowledge:)
Manuel Casasola Merkle uploaded a video tutorial on rendering a rough stone by making use of tessellation and displacement in the Redshift plugin for Houdini. The artist will guide you through all the essential steps, transferring all the intricate details of a high polygon mesh to a displacement map to texture for the render engine to recreate the geometric detail on render time directly on the graphic card.
Via CG Tutorial