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

mesh - Shade Smooth and Auto-Smooth problem when combining objects

modeling - How to smooth shade an object while retaining hard

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mesh - Shade Smooth and Auto-Smooth problem when combining objects

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