I worked 1 week on this one. The contemplation part is as beautiful as the drawing part. I stare at the page, then at the sketch, then at one detail, as they slowly emerge. And I wait, till I see another part becoming clear. And when version 1.0 is finished, 2 more days of staring, changing a line, a dot, using a magnifier to see where the paper fabric allows me to add or subtract a value. I never get enough of refining, changing until poor Achilles shouted: stop it, move on!