When you build a mesh in a 3D model, COMSOL shows you only the outside of it. You see the surface triangles, but you do not see what happens inside the domain. Are the elements inside fine enough? Does the boundary layer grow correctly into the volume? Where are the bad elements? The meshed complex structure example. How to inspect the mesh in detail? You can look inside the mesh using a Mesh plot in Results. In this article, you will learn how to do it step by step. Step 1: