D20 Cat Treat Toy with Expanded Treat Opening

My cats were having difficulty getting their treats out of the original D20, even after scraping away some of the material with a knife, so my completely unskilled self brought the original into TinkerCad, sized it up by 20%, and expanded the hole. Consider it an easy mode for your less intelligent cats (or an alternative for bigger treats).

Sorry if it looks messy - I'm new to this and had to eyeball the expansion.

One thing - it seems I overshot the size a bit. I originally had resized i