You might consider a honeycomb panel instead of plywood. More rigid and alot lighter weight. You have to finish the edges, maybe with a "U" Profile, but that could be a feature.
You have to do more homework - but you would end up with a higher performance and easier to use item.
https://thermhex.com/polykum-technology-blog-thermhex-pp-lightweight-honeycomb-panels-in-focus/
https://www.polyreflex.com/pid18299144/PP-Honeycomb-Panels.htm
You have to do more homework - but you would end up with a higher performance and easier to use item.
https://thermhex.com/polykum-technology-blog-thermhex-pp-lightweight-honeycomb-panels-in-focus/
https://www.polyreflex.com/pid18299144/PP-Honeycomb-Panels.htm
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