Nabrawind have something like that. It's still a column at the top for blade clearance, but the rest is a grid structure so it doesn't need huge external cranes

Nabrawind have something like that. It's still a column at the top for blade clearance, but the rest is a grid structure so it doesn't need huge external cranes. https://www.nabrawind.com/our-solutions/nabralift/ https://www.nabrawind.com/our-solutions/nabralift/