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I'm trying to make a chopping board, and so far I've added a hole using a bool, and then added a bevel using a mod. However, when I try to shade it smooth, these unneeded shadows are formed. How do I fix it so that the shadow isnt cutting across a flat surface like it would a normal cutting board?

shade flat shade smooth my topology

Krish N
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  • Blender is trying to smooth between faces that are perpendicular and it gives this bad result, if the Auto Smooth option doesn't work, try the Weighted Normal modifier, see here: https://blender.stackexchange.com/questions/258043/visual-artifacts-showing-up-on-decimated-model-set-to-shade-smooth/258055#258055 – moonboots Mar 20 '22 at 17:29
  • I'm either not doing it right, or its not working- Here is the file: – Krish N Mar 20 '22 at 18:03
  • the Weighted Normal modifier needs the Auto Smooth to be activated – moonboots Mar 20 '22 at 18:07
  • The top and bottom faces of your object are giant N'Gon's (faces with more than 4 vertices). Blender's shading system is based on quads (which then get triangulated for shading purposes). The shading artifact you are seeing is the result of a failed triangulation. Re-topologize your mesh so that all faces are quads. Or for a "cheaper" solution, try selecting the top and bottom faces and insetting them slightly. – Christopher Bennett Mar 20 '22 at 19:08

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