Back on the graph paper, PS won't do .5 px from the start (fixed size marquee) and I'd like to try thinner lines (.5 px & 1px) for the 1/8" / 1" graph paper.
I've tried making a 1/4" "L" shaped pattern & shrinking it down to 1/8", but the "L" goes transparent.
Any suggestions?
Edit: Actually not a problem. Even though scaling the 1/4" "L" down to 1/8" make it look transparent, I saved it as a pattern & it shows up OK when using it as fill.
The (now) .5 pixel lines look a tiny bit blurry on paper, but that might be a printer issue.
Everything looks a little blurry here, due to the scan.