Trev,
I would prob just let it cure a few days and hit with 180 wet paper (by hand) & get the runs & whole column sanded smooth and reshoot it.
Being the Hammmered finish you will prob be best to smooth up the whole thing a bit before reshooting the second attempt, I tried spot sanding a pc of trim I used hammered finish on and repainted the pc. and I could tell were the texture was uneven at the spot I sanded and ended up re-sanding the whole pc and doing again.
Tim
