AAACK! If it was a snake it would've bit me. I mystified by how I missed or forgotten about this feature...
You can even export to .ai with the result in Isometric!
I've got to make a chart or something... Many of these cool non-UI features can get lost out of sight, out of mind.

Thanks Michael!

I tend to agree about having UI controls for isometric or dimetric views.
Maybe in options/view/ "3d view angles" in some checkboxes, although it's quite deep.

And Michael could also tell those oddballs asking about oblique views them that it's so last century!

Marc