If the plastic templates were available, do you think people would use them? The templates would have to be on the conservative side (to reduce porting mistakes) which would limit flow to say 270ish. We make CNC templates like that in our shop fairly often, so the work would be in digitizing the port on the front end. Making the gauges is easy. I just wonder if people would really use them vs the ease and safety of ordering a CNC head.