I am planning this deck which uses EON composite decking material. Building the structure for this type of material is harder than I thought, and I spent a lot of time on it. Now that it's done, I thought someone else might be able to use it as a starting point for other designs. I'm not a structural engineer, so I cannot vouch for the structural integrity, but it looks very good to me. Be sure to change layer visibility or X-Ray to see the structure.
I have no affiliation with Eon; I haven't even purchased their product yet. www.eonoutdoor.com