Fender Pull/Roll Issues - Fixable without painting??

[xiaphin]

Attempting to pull my fenders today when I ran into a problem and was wondering if anybody had advice on how to salvage/fix it. Everything was looking good then I readjusted to height of the roller. There are two hard lines/creases 3/8 to 1/2 inch apart in the center of the fender lip. Using Eastwood roller, heat gun and infrared thermometer. Heating to 130-145 degrees. Was attempting to pull from the hard fender line and below out 2-4 mm. Still need a few more mm to tuck and was thinking the creases might blend out if I continue to pull but don't want to make them worse. Any advice is appreciated. Pics below.