I modeled a sheet of paper, lying on a table, as a plane. The initial result looked like a super-thin film stuck to the table. Usually, a piece of paper has both a little thickness and doesn't lie perfectly flat on a table.
So to get it not perfectly flat, I:
- Added a subdivision modifier to the plane.
- Wired a noise texture to a displacement node and connected that to the displacement input of the paper's material.
- Set the displacement setting (under the material's settings section) to displacement only (and set the renderer to Cycles).
This produced a nice result but it was still clear the paper was infinitely thin. So I tried two things to give it a tiny bit of thickness...
First I tried adding a solidify modifier but this interacted strangely with the displacement resulting in uneven thickness (here I'm looking side-on at the paper, I've pumped up the thickness to make the effect clearer):
I put the solidify modifier before the subdivision one (putting it after produced an even weirder effect).
Second I switched from a plane (with solidify modifier) to a very thin cube but this resulted in an even weirder look (with just subdivision and displacement):
Any suggestions would be much appreciated. I'm not set on real thickness - something that produces a convincing illusion would be fine too (my paper is supposed to be a sheet of canvas, as you'd use for an oil painting, so it needs more thickness than a typical piece of paper).
I'm using Blender 3.0.1 and you can find my
.blend file here.