That's where I saw it too, love it.
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Here is ours that I was speaking of. It is actually part of a plat structure tower I revamped to use, which is why it is decorative on the sides. In my renovation of it I made the roofline on the front higher than the back so I could get in there easily. I just used 2x4 boards as legs also so I can get in to change water and such without twisting myself into a pretzel.