I found this Tutorial about how to put a texture onto the edge of an object.  He uses a remesh modifier, and pointiness from the geometry shading node.

Here is a short animation using the demo objects from the asset manager demo from blender.  You can get the demo here.

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 I made this entry into the Cgboost Mythology Contest.

This tutorial talks about a scene done in cinema4d, but most of the ideas can be used in any 3d program.  

Beginner

He briefly explains the modifiers in 2.8.

Cool uses for several modifers.