Painting Nick Cave with an Algorithm

Resulting image is painted with 113,507 dots.
On a range from 0 (black) to 255 (white), the following rules are applied:
• color range 0 — 85, paint points between 2 & 4 pixels
• color range 86 — 170, points between 5 & 9 pixels
• color range 171 — 255, points between 10 & 20 pixels.