DIY water dishes?

I've noticed for larger bloods some owners have had problems finding water dishes the snake can soak in without resorting to cat litter boxes. I want something more visually pleasing so I was thinking about making my own in a pottery class. Since I'm new to snakes, I was curious if there's any reason why this would be a bad idea? Thanks in advance.

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My roommate is a potter and the only thing that I can think of that might cause issues is if you leave your piece unglazed. Other than that, I don't forsee any issues.

Would have to make sure everything is safe to a tee. Especially when holding water. And I mean to a tee since even a small thing could kill it. Especially sharp edges.

I went to Walmart and got some huge dog bowls (square). I think they're for St Bernard's . :) It really made a difference in keeping my humidity up.