Often we will have an extra set of five short poses in the middle of a drawing session, after we've taken a longer break.
the last few times I've tried a drawing challenge for myself: because we all seem to have a preferred `default' size to draw, I'm trying to mix that up. I set pairs of tick marks in random spacings, and try to fit each gesture precisely within them. It's a good brain teaser.
After that the other studies are each from 15 minute poses.
