I know the OP did not want a DIY project, but I thought some would find this amusing. I have two 2015 PA 12s to store. I had a couple of requirements:
- I wanted to store upright so I could do work/maintenance on them easier
- I have some back issues and can't lift even one side of a PA 12. I stored them in my barn and used chain hoists and straps to put them on my supports.
I used the Hobie cradles at 67" centers on my recently built truck rack, but could not afford two more sets of cradles. I found a local residential interior design shop that sold custom cut foam. They had three firmness levels and I got the firmest. It is so firm, you would not be able to sleep on it well. The thickest they sold was 6". It is open cell polyurethane foam, so it would not work in the weather or at highway speeds. I was surprised to learn that this shop would cut curves if I gave them a template. When I went there I had already resigned myself to the fact that I could only get rectangles and I would have to massacre them with a bread knife or electric knife.
I made some templates out of cardboard. The first step in doing this is to decide where on the Hobie bottom you want the supports. I choose the space between the sonar cover and the skeg (marked with a piece of blue tape) and the center of the mirage hole. That was about 51" centers. I know that is less than the recommended, but these are stored out of the sun and it is a PA 12 which seems to justify a shorter span.

The first step is to lay a straight edge across the bottom at the support point and notice the difference between the center pontoon and the two outer pontoons. Draw two lines on the cardboard, indicating where the pontoon bottoms will be. Then take a piece of stiff wire (I used 3/12 UF house wire) and form it into the shape of the bottom at the support point, but only attempt to do half the boat, from the center out. This makes it easier and you can fold your half template on itself later to complete the design. Place the molded wire on the cardboard and align the pontoon bottoms to the two line drawn earlier. Mark it with a sharpie, cut, fold, mark, cut.

They made them for about $40 a set and they fit well.

I had already glued some dense foam to the tops of my saw horses because I thought I had to store upside down. I used some spray adhesive the shop sold me (Chapco 808 Contact-Type Adhesive) to glue the cradles to the foam on the saw horses.

I wrapped the boats in tarps to discourage birds and rodents.
