Small issue with Mesh/Simple Planes

If you run Mesh on the object in the file below, and set everything like this:

I get one pair of triangles top and bottom that shouldn’t be there (because I asked for “Simple Planes”).

I didn’t find any setting that fixes this. V7 + WIP.

ToMeshSP.3dm (2.5 MB)

Hi Mitch - thanks, I see that…
I’m sure you found it, but QuadrangulateMesh cleans it up after the fact…

RH-70624 Mesh: Simple planes misses some