How to raise a AP cage off the ground?

[John1982]

Wouldn't screwing casters the the bottom of the cage damage the bottom and or overall integrity of the cage? Or are there other types of casters that I don't know about?

AP uses 1/2 inch CDPVC, casters should be fine if you want to go that route. You might consider using 8 to distribute weight more evenly since it's a 6 foot enclosure - especially if you plan on stacking in the future. I would hit the corners, one in the middle of each long side, then in the center of each square.

Something like this:

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