Overhead garage door panel repair.
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Hello, Use a router. From the inside of the door set the bit to cut through the piece of moulding that looks like quarter round and the panel do not cut into the front of the door. You may want to screw a piece of wood to the door to use as a straight edge for your router. After the cut is complete replace the the panel and secure it with 1/4 round. Paint to match. Good Luck Woodbutcher