Technically, they aren't pixels; they are circles (that's just how the pen extension works), but that is how it is going to be. It isn't noticeable at lower resolutions, but at like 6 pixels up, it is very noticeable.
This is an image version of the theorized "Library of Babel" by Jorge Luis Borges in his book The Library of Babel. Wikipedia page: https://en.wikipedia.org/wiki/The_Library_of_Babel