I have a lot of people asking me how to do a return edge, or tips when they've bought a heat sealing iron and can't get it to work. So I figured a video tutorial would be helpful.   Pete / Stukatrooper came up with the original concept and created the original web tutorial here. Pete's stuff is always inspirational, so many kudos to him for this! http://whitearmor.net/forum/index.php?showtopic=2313   I did a lot of trimming and return edges on my AM build here, also good