Christoph Hormann wrote:
> It looks a bit more like plaster(?) rather than stone, but the moss is
> nice.  The grass looks a bit regular.

Yeah, in fact the look of the column I was aiming at is stone covered
with plaster, but the plaster is chipping and stone becomes visible. I
wanted to recreate the look the ancient roman buildings have right now,
not being so sure what the exact materials were... I think I should read
history a bit.

> Maybe some additional roughness for the surface of both moss and stone
> would be good, but of couse that would slow down things

Thanks for ideas - I will try out. I have mostly tried to add roughness
by means of textures, because adding yet another layers of textures to
ISO surface would slow down the rendering once more, but let's see.

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