Hello Michael, thank you for the support as always.

FWIW here is what I am getting when running SavePointFile (most updated version) on 4 points which have been copied from a square shape, drawn in top view (first screenshot). It looks like the line breaks have been ignored altogether somehow ? Whereas the OBJ data for the same shape planar filled before obj export is organized more as expected (second screenshot). I'm on Windows btw.