Well that didn’t take long. TAP Plastics took all of 20 minutes to cut six pieces and router all the edges smooth. The cost was $137. There are two extra pieces I might use as bracket spacers, not shown here:

This plastic is very easy to work with. There’s no sawdust when you drill it and it’s all the same density. I’m putting a lot of trust in 20 stainless steel machine screws but they went in tight and they’re all vertical so there are no shear forces. The 1/2 inch material isn’t really thick enough to countersink the screw heads but that choice was to keep things light and flexible. They do make 5/8″, 3/4″ and 1″ Starboard if I ever need to redo it. But I’ll probably just set a rubber mat or tray organizer on the top. Maybe a cat bed. 😉

It fits like a glove on the support brackets and it isn’t too heavy to lift. Of course it’ll all look better once the cockpit is cleaned and restored. But it’s a good start.