frame light mount

Anyone in the market for a sun series light mover? Never used

I'm planning to build new flower light for a 5*5. I want 8 chilled pucks, and 4 QB 288's. I plan on getting the 5*5 substrate. I know it's about 13.5" in between the railing and a QB is 11.25". So it's possible. I was thinking of using Rapids driver mounts, if it worked it'd be perfect. But they...

Been running a small grow in a 60x60cm tent with a "light tube" 400w lamp joined inline with the ducting... It was always resting out of square with the tent as in the small space the attached ducting was always pulling it... Bought some 1/2" aluminium angle and M3 nuts/bolts/washers on eBay...