3 ms·
Maybe not the idea itself but a method to print it?
by mongol 13y ago
Maybe not the idea itself but a method to print it?
- jws 13y agoNope. Claim 1: white-ish lines on light grey paper. Claim 2: As above, but more closely matching white and grey. Claim 3: Either of the above but with a slightly colored paper instead of gray.