When I 'glassed the footwell I omitted to add an overlap from the rear face of the footwell up onto the transom, to accept the final panel on the inside face of the boat's stern. By the time I realised this it was too late ... the footwell was all 'glassed out!
So before adding 'glass inside the transom I had to make an overlap with a scrap of cloth.
Here is the overlapping patch, wetted out.
When cured I sanded and feather edged the patch.
I had previously made a pattern for the inside face of the transom and transom skirt, and used it to cut out a 'glass panel.
Finally I carefully wetted out the panel with a disposable roller, working down from the top edge and from the middle outwards so that the cloth would not sag or drop.
Here is the finished article.
Looking nice, and hopefully no more fibreglass work until the boat is turned upside down to finish the lower hull!