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I am trying to create a dome with smokestack (the best description I have - see pictures).

Creating the dome is straightforward. Then for the smokestack, I create a circle, position it and extrude it upwards along Z-axis so that it penetrates the dome roof. To combine the meshes together I use boolean UNION modifier and click Apply. Then I am having trouble creating a clean correct mesh.

When I apply smooth shading you can see the surface is funky. I tried to recalculate the normals and I played with the geometry. The pictures describe the best I could do.

Could someone, please, guide me what would be the cleanest approach of modeling a simple dome with one smokestack?

Funky faces around the smokestack

This is how I tried to re-mesh the area around the smokestack

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enter image description here

blender loop tools addon >> circle > extrude > edge bevel

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  • $\begingroup$ This works! Many thanks! $\endgroup$ – user3732445 Aug 23 at 11:09

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