These are technically called “Crepuscular rays” (say that 3 times real fast)
I will soon be building a self sufficient “Green Home” in the NC mountains. I will be using hexagon quads for the buildings…..start with one and add on as needed.
I plan to make the walls with “honeycomb” interiors and then decide what to use as the exterior and interior sheathing. I am asking for suggestions on earth-based materials that could be used (both for structural integrity and insulation) to fill the honeycomb interiors.
The below photo is for an example only: