Here are some plans for a shopmade rosette cutting jig I haven't made one yet, so the kinks are not all worked out of the design yet, but it should give a general idea. I made one similar to this and it works brilliantly (though considerably uglier than this). http://newmanguitars.ucoz.com/RosetteCutterBlueprints.pdf I've got a bunch of guitar blueprints hanging around as well - I can't host them all but does anyone want some of them posted here? (I keep an archive of PDF blueprints that I find so I must have more than 50 sets of full-scale blueprint in PDF format). I have a set for Les Paul (several actually), strats, dreadnaughts, OMs, Jumbos...etc.