Corona render old chipped wood paint

Add to the realism of your material by adding damage marks!
Use corona curvature map to mask your rounded edges and create old chipped paint look to your wood material.

The corona curvature can mask the concave and the convex parts of your model.

Follow the steps in this tutorial :
* Create corona curvature map and connect it to base color input.
* You can see red color on the convex parts and green on the concave parts of your model. Now adjust the max distance value to increase or decrease the effect.
* Connect your painted wood texture of your choice to base color of the corona curvature.
* Connect your Raw wood texture of your choice to the convex and concave color (now you can see the raw wood is applied only to the curved parts of your model).
* To have a more realistic wood chipping use any grunge map of your choice and connect it to Max distance input.
* You can adjust the tiling pf each texture to get the results you’re looking for.
* Now copy the corona curvature map and repeat the process for all the texture in your material.

Note: if you’re using V-Ray you can use the VRay curvature map and it’s basically the same process.

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