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I am new in Blender, and doing hard to learn that. I was trying to made a Dyson vacuum cleaner parts by Blender and I made it, but the final model has a problem that I don't know why and how to fix it.

This is what it looks like in the object mode, I saw this problem after I have add solidity and subdivision on it: vaccum cleaner parts in object model

This is the rendered image with clear broken area: enter image description here

This is what it looks like in edit mode and without solidity and subdivision: enter image description here

In my mind I haven't made any N-gon in these area, so I don't know why it happens, could anyone tell me the reason of that and how should I avoid on next time?

Here is the source file: Blender File

Thank you very much for reading this thread.

Saxon
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1 Answers1

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After viewing your model, here's what I did:
#select the meshes then ctrl+A to apply all transformation. #select the object go to edit mode and select all the vertex by pressing A once or twice. And then shift+N to recalculate normals.

Your mesh had some flipped normals which caused the issue you marked. Here's the File after applying the fixes I mentioned.


enter image description here

hamid.h
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  • thank you very much for your help! I really need to search the meaning of these actions then! thank you! – Saxon Oct 18 '20 at 14:39