Whipping Out a High School Skill (Ink Pointillism)

I haven't done much of any (ink) pointillism since high school, when I learned it (25 years ago, WHAT?). I saw something online that was probably just a bad bitmap image, but it inspired me. Here's the result (with a closeup):

Micron pen, about 3x3", 2016.

Micron pen, about 3x3", 2016.

Close-up for your edification.

Close-up for your edification.