Hey Glen, thanks for the question. We have seen blinds built for all kinds of different sized boats. Building the frame is easy after figuring out how to mount the base to the boat. You may like this blog that has a few more versions and solutions shown.
https://makerpipe.com/blogs/diy-modular-pipe/6-diy-boat-duck-blinds-built-with-maker-pipe?_pos=1&_sid=cb77a8838&_ss=r