Me and AUTOGRAFXX did this on a 48" graphtec. We took scrap mag material and covered the steel parts with it. Then we taped the paper from the back of some vinyl on top of that. Turned the speed way down, and kind of held it up to keep the weight from pulling it. You just have to score the top, you don't have to cut all the way through. Then bend the mag around the cuts, and they will pop right out.