Party Hut Pontoon Boat Where Can I Get A Pattern For Pontoon Boat Canvas?

Where can I get a pattern for pontoon boat canvas? - party hut pontoon boat

We bought a 28 hut 1990 "Sun Tracker Party. I know that the internet seemed at first. I intend to schedule, but the material on the boat is so unfortunate that can not be used as a reason.
Any help would be very grateful