The PAD prompt for day 13 was “hobby.” Here’s my effort (a bit over a half-hour in a gmail window; kick-started primarily by Martha Rhodes’s April 10 “Poet’s Pick” for the Poetry Daily e-letter (a rondelet by Anon that began “I never meant…”)):
The letter f
defies finesse. Out of my pen,
each letter f
looks like a mashed-up treble clef.
I had not dreamt, when I began,
how I’d draw again and again
this letter f.
[I’ve still half a mind to call it “Calligrapher’s Rondeloop,” but perhaps I’ll reserve that for a grander (and/or more grandiose) take on the topic (some other night).]