would be interesting to see how that would look smoothed out.
not being a fan of doing bodywork, i took the easy way, thick speaker gaskets and baffles
with some selective trimming, they sit in the doors not bad, gaskets make a black ring around the speaker hiding the gap. speaker grilles also come down over the sides of the speaker also helping hide the gap.
front doors
rears

having door speakers in my crew close to 20 yrs now, i highly recommend spending the couple bucks and getting the baffles to protect your speakers. even wit new window fuzzies, seals, runs, and vents, squares let water threw like a screen door. many times had connections rusted off, speakers wrecked from water.....