Did this over the last weekend, took all 5 pcs of a 4th gen tail and fused them into one piece. Thought you guys might like to see &/or try it. I just have parts pics right now, I'll add some tool and product pics a little later. I used my trusty Dremel with a round cutting bit to groove the seams, and the PlastiFix is made by Urethane Supply Company. The process is tedious, but this is the strongest/most solid plastic repair method I've used yet.
Started w/ the left side tail panel, and cl