> I don't have any pens for it fine enough for that to matter though
Yes, that is the issue. The finest pen you could likely get would be 0.1mm (and even that would be hard to find and expensive). That is what I based the 250 dpi on.
Yes, that is the issue. The finest pen you could likely get would be 0.1mm (and even that would be hard to find and expensive). That is what I based the 250 dpi on.