- My home, ruled by pigs!
[Edit - dead link -- Lynx]
It may be possible to use a decent sized clear plastic storage container with a tight lid can have a hole easily put in the side and tubing put into the container. I'll go see if I can find something useful online. Another option is a 10 gallon fish tank with a lid that you can put a tube through.
I encourage you to write GP Lover using the mailer to see if she still has the info/images or can add anything to this topic.
p.s. after doing a duckduckgo search, I found a fab video with much, much detail that you will be interested in watching. The author did a great job identifying how it was constructed and what he used for his small cat.
In addition, this is a 2015 post on a forum describing a slightly different method that uses plastic connectors. While his/her example links for products used are dead, you can see the images for putting things together. The poster claims several vets okayed this method and another who constructs tanks, said this was what he did:
https://www.city-data.com/forum/pets/22 ... r-pet.html