Tronxy X3 Controller Cooling Fan

I've been working on my Tronxy X3 and came up with a simple 40mm fan mount after noticing how hot the stepper drivers were getting. The Tronxy X & Y axis are a little draggy and need extra power to keep from missing micro steps. After bumping up the drive power, the prints were coming out much better but the heat build up on the drivers was concerning me. This cooling fan mounts on the controller board next to the front panel. It uses the existing board hardware and a couple of 3mm screws and nu