Kimura's Bat Cave: tangling with steel cable

Can the staircase be supported by tensile steel and also suspend the workshop floor of Kimura?

In keeping with the geometry of Stradivari's studio pad, the frame supporting Kimura's workshop floor follows a geometry of threes, 120 Degrees.

The Steel wire suspending the entire subterranean structure are in increments of 30 degrees like hours on a clock face. This is also divisible by three, producing the radial angles of the infrastructure of the workshop floor.