When I render this donut with Cycles in Blender 3.0, the icing coloration does something weird and starts to have these two different brown colors in certain areas. How do I fix this?
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22 meshes in one place, maybe? 1. Check for hidden but rendering objects, 2. H Hide a few faces to see whether you have duplicate geometry. – Robin Betts Aug 16 '22 at 20:21
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HI Robin, thanks for the reply, not sure I know how to check for those two things...could you maybe describe how I might do this? it would be much appreciated, thanks! – Asa Bernard Kittner Aug 16 '22 at 20:39
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- for hidden but rendered objects have a look at the "eye" icon and the "camera" icon in the outliner. See this answer and this one for details. -- 2. switch to Edit mode & press key 3 for Face Selection mode. Then select a face. With key H you can hide it (Alt+H=unhide). Inspect faces with bad shading to see if there are overlapping faces -- 3. Also, check the normals (https://blender.stackexchange.com/a/216140/107598). Red areas are bad. Alt+N, Recalc Outside in Edit mode to fix it
– Blunder Aug 16 '22 at 21:15 -
looks like i have some hidden/overlapping mesh. is there a way to procedurally fix this easily for the whole icing? @Blunder – Asa Bernard Kittner Aug 16 '22 at 22:12
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You may have 2 overlapping meshes within the object, if they don't have any common vertices, you will easily select one if you put your mouse on the mesh in Edit mode and press L, then move. You can also try to select all and press M > Merge by Distance. Or you can share your file: https://blend-exchange.com/ – moonboots Aug 17 '22 at 08:57