Remove those entries from the config.pro and make a file named
table.pnt
Add the following to the file: make sure the file does not have a hidden .txt extension
pen 1 thickness .002 in
pen 2 thickness .002 in
pen 3 thickness .002 in
pen 4 thickness .002 in
pen 5 thickness .002 in
pen 6 thickness .002 in
pen 7 thickness .002 in
pen 8 thickness .002 in
Place the file in your working directory (folder).
Use the export to PDF dialog and check the Use Pen Table option in the option dialog.
Now export the PDF.
This worked for me on this file using 600-PDI setting:
Image may be NSFW.
Clik here to view.
That is a 1/8" ball at 1:1 on an A-size drawing zoomed 800% in Adobe reader.