Seeing as these dang guitar cutters retail for over $2000, it's gonna be a long time before I ante up the cash to buy one. The thought has crossed my mind to build one myself... albeit a scaled down version. Before I start my odyssey, is there anyone here who can give me there thoughts on using this device? I'd like to know the real nuts and bolts stuff like how well it cuts through caramel/marshmallow/ganache. How big is the cutting area? Is it a half-sheet size or so? Is it a pain to clea