I have a shopbot tool and normally cut plywood boat parts.
i want to cut cloth and would like to add a rotary trailing type cloth cutter. Has anyone seen a rotary fabric knife attachment for a cnc router machine??
I posted this response to you on another site before I found this one ...
Take a look at this guy's site http://www.carlsondesign.com/
You may get some ideas or be able to retro one of his cutters to your machine.
He also has some boatbuilding links and software
Those cutter heads are nice. I guess the price isn't bad if you were in garment cutting as a business. Seems like you could cover your sacrificial table top with a cutting matt and mount a standard rotary cutter knife blade on a spring loaded shaft that swivels for well under that price... most likely with hardware store parts... shouldn't be much harder than retrofitting one of his cutters?
-Marc