I would suggest you try the output filetype Save As: HP Graphics Language (*.hpgl) Once you have produced an .hpgl file in this way, then you can rename it to be .plt if you like.
I would suggest you try the output filetype Save As:
HP Graphics Language (*.hpgl)
Once you have produced an .hpgl file in this way, then you can rename it to be .plt if you like.