Spar (Shallow Water Model)
This is the base structure of the shallow water trispar model.
The central and outer spars are made of steel. The outriggers are made of steel and filled with air. The outer spars are filled with cement.
Spiral Staircase
There is a spiral staircase that starts just above the waterline and goes up to the living room. We will have a default stair step design and upgrade options to have a custom design. Some custom designs are shown below.