Summary Filament cooling fan duct for Zonestar D810 delta printer Attaches to the same mount on the effector as the original, and uses the original fan. Just gives better aerodynamics, and is out of the way for working on the hot-end Print Settings Printer: ZoneStar D810 Rafts: No Supports: No Resolution: 0.3mm Infill: 25% How I Designed This Thanks to Zonestar for sharing their design, it was easy to make this fit the original mount. Publicly available at https://cad.onshape.com/documents/57bf851f9ccaed10ec61f30e/w/27db5e6ddf54d4e04c640ec9/e/fb7ba57be1cc94edfd16f839