The file 'Chick Feeder No Waste Mod 3D Printer Model' is (stl) file type, size is 23.7KB.
Simple addition to the chick feeder at https://www.thingiverse.com/thing:4319711
Just a simple cylinder you drop in to the feeder before you screw the jar on. It keeps the level of the feed lower so the birbs can't knock out as much food when they eat.
Chick_Feeder_Drop_In_v1.stl | 139.1KB |