Seating cushions

I made up some new cabin cushions for my 226 Seafarer. We do not ever plan any over nights so I used 2 " anti bacteria poylurethane and I got what I think was a good deal for some Sunbrella ($3 a yard) We leave out the first center cushion to allow easier access so I did not bother with it. Hopefully I got some pictures posted. I modified the shapes so as to allow easier access to the storage compartments. My amateur sewing came out half decent now I want to make some cushions for the seating spots. But they are with the boat, the boat is wrapped up and stored. I am wondering if anyone has patterns or dimensions for the seat areas with the snap locations. Seems like another good winter project while I pine away for summer. I tried making some piping on a sample corner and I think it is doable as well as installing a zipper for the foam on the 'outside cushions'. '


cushions. Anyway, if there is some place I could get hold of patterns, that would be great.