Thanks to mirrrroring for this photo of a spiral drawing on a restaurant napkin (I was demonstrating this zen nervous habit to a friend of his). As with most of these, the napkin ended up in the wastebin, so here it is for the ages:
Thanks to mirrrroring for this photo of a spiral drawing on a restaurant napkin (I was demonstrating this zen nervous habit to a friend of his). As with most of these, the napkin ended up in the wastebin, so here it is for the ages: