OCE Repro Desk does not allow my pen settings

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I am sending drawings in .PLT format to a printing company to be plotted.

 

We check the .PLT files in OCE Repro Desk (and before that, Buzzsaw Apprentice) to make sure that they look correct, before sending them to the printing company.

 

We have taken on a project with a new set of pens with widths that neither OCE Repro Desk and Apprentice seem to be compatible with. When creating a pen set with either of those programs, the smallest line I can make is 0.06mm. The next smallest width is 0.00mm. The first few pens that I need to set up have lines that are between those two values.