The issue here is that I’m trying to Boolean a hole into the top of this fire axe while using subdivision surface, but it looks like this when I do.
heya, how are ya, please check if the vertices of object are overcalcing or overtop other vertices and arent seen, idk whats the concept called, take care.
The solution I found out through trial and error was that I could use the knife tool on the fire axe and cut out the hole based on the cylinder I was using to boolean. After that I extruded the new face downwards. Yes, the vertices were also overlapping.
In future when using a Boolean, check the Wireframe of the meshes. What’s happened here is that the subtraction of the negative mesh into your fire axe had created some non-standard geometry (N-gons) and disrupted the flow of edge loops, so that when the Subdivision Surface modifier was applied, the final mesh had poor topology and therefore the edge looked bad.
As you can see here, when this sphere and cylinder part is connected, all of the connection points are added, including the ones that you can’t see without the wireframe activated.
Glad to hear you got the solution yourself though, sometimes you can go about it a different way as you found out!
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