uses a 21 by 21 inch plywood board.
the red foam from the mobo packing to lift board and prevent static discharges
some stainless steel brackets to hold the corsair hx1200i psu
two scythe fans for cooling the three center cards
I have asus 1080ti ----msi 1070ti ----evga 1070ti --- msi 1070 ti ------------- waiting on a msi 1080 ti
i used some plastic washers from the hardware store to lift the mobo from the wood frame, then used wood screws through the mobo mounting holes to secure it. i do need to figure out a better way to secure the psus instead of zip ties though