What would the mass of said asteroid have to be to accommodate such a design?
Maybe you could have a HALO of THORNS (Telemetry homogeneous orbital restrainer nano-lattice stabilizer) - that have 13 satellite thrusters that can maintain the alignment of the nano-pillars... and have them sectionaly distributed as rings on the Z -- with tethered lattice of tubes tying it all together like a Chinese finger trap.
Maybe you could have a HALO of THORNS (Telemetry homogeneous orbital restrainer nano-lattice stabilizer) - that have 13 satellite thrusters that can maintain the alignment of the nano-pillars... and have them sectionaly distributed as rings on the Z -- with tethered lattice of tubes tying it all together like a Chinese finger trap.
https://www.youtube.com/watch?v=RnofCyaWhI0 <-- These things... https://i.imgur.com/O9eWZnH.jpeg
and the carbon lattice is also a fuel-capillary system - that feed like a live thing...