Useful tools, contributions are welcome

I am making some rocks recently. Baking the normal map in blender does not create a very rocky detail for my purpose. I’ve found some useful stuff to share:

GIMP normalmap plugin:

Create rock texture in GIMP:

Create normal map for a door: … images.htm

thankyou for those hints cheung - I was just in need of making some normalmapping these days, without great knowledge indeed