The use of stator blades in this design allows the hotend to be cooled by a much quieter 40mm fan, instead of the louder 30mm one it originally came with. It also features a dual fan design, allowing symmetric cooling of the parts it prints on. New XY Blocks required --------------------- This mount requires the use of different XY blocks as it is incompatible with the default wood blocks. ###For MXB belt users (default on the original printers) [Ultimaker XY blocks with banana tensioner by alan89](https://www.thingiverse.com/thing:212248) ###For GT2 belt users (what I personally use) [Lars' v2 Ultimaker XY Blocks by CCS86](https://www.youmagine.com/designs/lars-v2-ultimaker-xy-blocks) ### Like my design? Send me a tip, every penny helps out with what I am doing.