First update for my UE4 Marketplace set. So many new features I am really proud of! It includes 4 new rock textures, and a lot of new material features! You can now make super complex, seamless and realistic rock shapes out of simple meshes in seconds.
Check it here : https://www.unrealengine.com/marketplace/photogrammetry-rock-textures
Photogrammetry Rock Textures Update 1