Copied @rbnk1 design.
This helps reduce the amount of feed in the bottom dish which reduces billing out.
Thinks the pics are self explanatory.
16 oz solo cup cut to fit.
Chick feeder mod 3-30-19 1.JPG
Trace around then cut.
Chick feeder mod 3-30-19 3.JPG

Shove it (press fit) into feeder top.
Chick feeder mod 3-30-19 4.JPG

Cut bottom of cup until just a bit of a gap between cut cup section and feeder bottom.
Chick feeder mod 3-30-19 5.JPG

Don't have a pic of it full of feed, sorry, will try to get one the next time I use it.
Stole this from @rbnk1 's article here:
https://www.backyardchickens.com/ar...for-less-mess-and-no-feed-waste.75568/gallery
rbnk1 3-28-19 3crop.jpg