Apply effects to the edges of objects with Edge Map/Edge shader 

Try Chaos Corona at chaos-corona.c...
Easily apply effects like weathering and staining to the edges of objects with Edge Map/Edge shader. This is particularly useful for objects with no thickness like leaves, photos, maps, paper, etc. The new Edge Map/Edge shader creates a color gradient based on how far away a point is from a geometric edge.
Learn what’s new in Corona 11: corona-rendere...
►For more information about our products, visit: corona-rendere...
►Subscribe: / coronarenderer to get useful tutorials and the latest updates from Chaos Corona
►Follow us on Facebook: / chaoscorona
►On Instagram: / chaoscorona