Mesh analysis in 2.82

I want to design a model for 3D printing, but I can’t find the mesh analysis tools that are described in the manual. https://docs.blender.org/manual/en/latest/modeling/meshes/mesh_analysis.html#
Looks like exactly the tool I need rn, probably just too blind to find it…

in edit mode, check out the overlay dropdown:

edit: click the image to expand.

Thanks, much appreciated :+1: