This is just a hollow garbageman, in which you can put small garbage or in my case often supports.
I print all the parts (except the cap, which is signed with the additition "with support" => so you can directly test your garbageman) without support. If you don't want to print with supports, I added a cap without supports. The parts are then bit rough in the inside, but you don't see them anyway. I printed the parts with an infill of 10 % which takes then about 43 printing hours for all parts. After printing you can glue the parts together and viola - there is your Lego garbageman.
Have some fun at printing it!
The author hasn't provided the model origin yet.