I have a simple grid which I extrude up. I merge several of these to get floors for a house as can be seen in pics.

I then extrude each face with insetting to get windows. The problem is that when I toggle the “transform extruded front” in the polyextrude it turns out the coordinate system has been changed somehow for certain faces so they end up skewed.

So the upward translation breaks the local coordinates somehow? Tried rebuilding in a new project with a simple setup and the same problem always occur. Funny thing is if I put the polyextrude inside a prim-for-loop it all works. How can it break in this weird subtle way?
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