Not the same one but similar, I think.
http://www.weekendhippies.com/the_coolest_chicken_feeder_in_the_world/in_the_beginning
https://www.abc.net.au/gardening/factsheets/diy-rodent-free-chook-feeder/12322946
I saved these links because the people in them are so happy with them. I haven't used...