Help with a Pet Mod

Hi all,

I'm trying to make my first mod and I'm in the process of making a pet. I've copied the settings from the example mod, but for some reason my pet is clipping through the floor instead of on it. Any ideas what I've done wrong or what I need to change?

https://preview.redd.it/64zahgg455fd1.png?width=292&format=png&auto=webp&s=677009d9113c0b201d28df0d71fa3e09d77e9a96

https://preview.redd.it/visaaf7555fd1.png?width=1050&format=png&auto=webp&s=3368bf6da8465f329a5b9eaa5d0fb902e9a4489d