Posted by LordOfBikes on Nov 23, 2022; 2:56pm
URL: https://forum.librecad.org/Cutting-plotter-issues-Probleme-plotter-de-decoupe-tp5722197p5722199.html

Basically, this is an issue you should discuss with the plotter or post-processor manufacturer.
He knows the requirements and can better estimate whats wrong with the mentioned drawings.

Just a guess: Use the list plugin to get more info about the ignored entities.
E.g. select two entities, one which is cut and one which is ignored. Then see, if there are any differences.
I can imagine that the ignored entities are ellipses, elliptical arcs or splines. CNC controls don't like ellipses or splines, too complicated and too slow to calculate motor movements on the fly.

You can try to save the DXF in R12 format, which has no ellipse support. Ellipses are replaced by polyline approximations which might be accepted by the plotter.