plans are with architect, size-wize, anticorrosive hardware, slab Concrete/Stone, wood materials (treated or natural), land and elevation, where (ocean), code (electric, plumbed), enclosed or protected, firebox/chimney & fuel...to start with

I see how its built. You can either do traditional timber framing (corners with their bracing is detailed) OR design metal attachments that connect bracing with main post. Just love the design, I want to build this in my backyard!