modeling - How to smooth shade an object while retaining hard

I frequently come to the problem of having a mesh with parts I would like to render smooth and "hard" edges connecting them. How can I set the mesh to show the sharp edges but render everything e

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modeling - How to smooth shade an object while retaining hard

Shade Smooth does not seem to work in the way I expected

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modeling - Problem with my model when I change the shading from

modeling - Smooth Shading artifacts on low poly model - Blender

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Shade flat to shade smooth (3 ways to remove the artifacts of