Using this stuff from local hardware store I found as the base, and cut up a few pieces of square pipe to make a cross bracket the cards sit on

Marvell1 - Very expensive here to upgrade house power to what's called 3 Phase, generally only available in industrial areas unless you pay big $$ for it, overpriced and would blow ROI way out the window.  I'll be setting up Phase 2 and 3 at a friends workshop, already has 3 phase power available (240 amp's available standard) which will house up to about 40+ rigs without interfering with their normal work duties).

Mzie - Cheers hopefully it's helping people along the way as well, not everyone has been mining for a long time so hoping to help people save time and less mistakes along the way.