This may be very well received in the model railroad community. When building a layout, one of the techniques (called cookie cutter) for creating the subroadbed

This may be very well received in the model railroad community. When building a layout, one of the techniques (called cookie cutter) for creating the subroadbed is to cut out shapes from a sheet of 4 by 8 plywood similar to this gadget. See this for example: https://www.youtube.com/watch?v=iqcUKofeElc https://www.youtube.com/watch?v=iqcUKofeElc