I love all of my Animal Plastics cages. Be prepared to wait ~6months for them though. I’ve only got pvc cages from one other cage builder who apparently turned out to be a scum bag and disappeared after taking a lot of people’s money and then never made their cages about a year ago.
I’d do some searches for pvc enclosures online and see if anything appeals to you. There’s several out there but I can only really speak for AP.
As for dimensions, 4x2’ floor space would probably do them well, though if you can afford to go larger they certainly wouldn’t mind. I’d also shoot for 18” or more for height. My planned adult cage for my male Suriname is 4’x30”x24” (LxWxH).
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