Making a material interact with lighting

Development Rendering
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1

Hey there. I’m trying to create shadows in this style:

53810-untitled.png

So the darker an object is, the more ‘lines’ it will have until it is completely black (I know, my drawing skills are amazing)

I thought that I could do 3 textures: one for no lines, one for some lines and one for a lot of lines. That way, depending on how much light the object receives the blended texture will change.

Any ideas on how to achieve this? BTW, the amount of lines can change in different parts of the object

Thanks in advance!

2

Have you had look at the post processing and stylized rendering tutorials?

3

Or this thread about sketch like shadows