Ultimate High-Flow Bathroom Sink Drain Filter Hair Trap

thingiverse

After printing several bathroom drain filters and being unsatisfied with their slow emptying rates, I designed my own filter inspired by hsiehty's innovative design at https://www.thingiverse.com/thing:4157768. A higher flow rate is primarily achieved due to the "legs" under the cover that hold it slightly above the drain (the legs also make it easier to lift out for cleaning), no reduction in drain diameter, and breathing holes. The holes & gaps are wide enough at current scale that water does not get stuck in them by surface tension. Also dries faster due to a smaller contact area to the drain pipe, and center arrow to direct drips. Note that this design is not intended for shower drains or other weight-bearing applications. The STL file provided is designed for a 35mm drain hole and 55mm cover, but can be easily customized to different diameters and drain depths using the included SCAD file or via slicer scaling. [Update 5/31/20: For an improved version, see Version 2 at https://www.thingiverse.com/thing:4415041 ]