As part of a big renovation project we bought a set of very nice aluminum lampshades for the new space at the corner.
The ceiling is very high and the trusses are located in positions that make it a bit hard to arrange them in the pattern we wanted.
I built a wooden frame and put some pulleys on the roof.
I centered it in the floor and proceeded to locate the anchors. For that I hanged another wood beam from each pulley on the roof, it went level to the right point.
It’s looking better:
And done:
Wooden lamp fixture with hoist 
Wooden lamp fixture with hoist
It evokes memories of sailing rigs too:
