Reply To: Derek’s Polybook | CORE | Fundamentals of 3D Mesh Modeling in Blender
It could be cleaned up manually, but I wouldn’t be bothered if I were you; it’s not really an error or a problem, just something to keep an eye out for in the future (doesn’t mean, that this will happen again, of course, I don’t remember having seen it before…)
For a ‘fix’:
If you enable (install?) the Edit Mesh Tools Addon, you can set the Edge Length of the smaller Edges to be the same as (one of) those longer ones, for instance…something like this, maybe:
