Plotters predate modern inkjet printers. Since they use mounted pens, the line is crisper -- and yet tiny imperfections creep in. Pens wobble; ink overlaps. It's a drawing, not a printout.

So, although the piece is generated by a computer program, it has a warmer, more analog feel. Like an LP record played through a tube amplifier.

Untitled 5 by Bill Hinz