Extruder Baffle

Made this extruder baffle for a customer request. It's untested, but it should do the job just fine. should be a drop in replacement for the 3D printers I've built. this is for the Hadron type printers, with MK8 extruder. I added two more bolts to hold the extruder in place, this uses one of it's bolts. It uses a standard 40x40 fan. the M4 bolt should be 6 mm long, otherwise it can have interference with the extruder motor coil.