Fractal Design R4 Foot

I have a Fractal Design Define R4 case for my computer that sits on the floor. The case sits low and the powersupply can't breath. I created feet that can elevate it off the floor more than the ones that came with it. These are an inch off the floor, but they could be a lot higher. Pretty simple build. Just unscrew the stock ones and then put these on instead.