Originally Posted by HifiSyd
Here is what worked for me:
First of all, I pushed the raised edges back in to the hole the best I could. Then I went through my old RC pit box and found my lexan body reamer. These can be had at any hobby shop for $15 to $20 (see pic below).
From there, I gently reamed the holes until all raised edges were gone. Came out great. Good luck.
Thanks for the tip. I didn't even know what reamers were and had to look it up lol.