How to upgrade the heatbed mosfet on a wanhao or monoprice 3d printer. If you have a Wanhao duplicator i3 or any of its clones, you NEED to do this mod to prevent possible overheating and fire issues.<br /><br />Mosfet Mounting Bracket: goo.gl/oDRa6c<br /><br />120mm Fan Shroud: goo.gl/edcwZV
