Water bottle cap Bird "feeder".

Works well for liquid bird feeding or providing water for small birds. Screws onto normal plastic cooldrink bottle. Can accommodate up to 4 birds at a time, stations evenly positioned around cap.

Essential to clean interior of the part of any support for it to function properly. See snip of parts cross section. Else print in phases and glue together. Or use laser or UV resin 3D printer.