Clean your mesh after using boolean modifier

If you use boolean modifier or other boolean tools, you deal with ngons and potentionally bad geometry. Learn three ways to clean up your mesh after boolean operations.

• Use Smooth and autosmooth - Apply smooth shading and autosmooth - it can get rid of shading artifacts, but not all of them. 
• Mark sharp edges - You can also mark sharp edges to get rid of artifacts.
• Add bevel modifier for sharp edges.

You can also use a specialized add-on like Mesh Machine that offers a bunch of tools for controlling your geometry, semi-automatic cleaning of booleans, making chamfers, bevels, turning corners, etc. Check this short showcase below.