I have recently encountered a problem when working with illustrator: I used to work with very thin lines (0.001 pt) and they would show on pdf and print just fine, but lately they appear way too thick when on pdf (which I solved by deactivating the enhance thin lines option on Acrobat) but still they appear too thick when printed. 0.001pt looks like a 0.5pt for comparison. I have tried reading into discussions but for everyone else the problem seems to go away once the file is physically printed. I am running the latest version of Illustrator, 2019, same with Acrobat... I usually import AutoCAD files, and the cad version is the student version for 2018. Attached you will find a screenshot of how the file looks on Illustrator and then what it looks like on pdf and therefore printed. Note that the problem started all of a sudden, never had this kind of problem until a month ago
... View more