alfer.com something called combitech. Build your own whatever with aluminum framing pieces. Pretty cool
Make Your Own Guinea Pig Cage | http://abyssinianguineapigtips.com/make-guinea-pig-cage/
I must get this for the bun!
Here is an ADORABLE indoor rabbit hutch, formerly a wardrobe. Could also be done with a similar style entertainment center. @Mary Chappell
House and Play Area Ideas - North Texas Rabbit Sanctuary
future toby home?
The best pet habitat I've ever seen - Rabbits Online Forum
Guinea pig cage that was a TV unit in a former life. A ramp connects the 2 levels and there is a sheltered sleeping area plus lots of storage. The guinea pigs' favourite spot to sit is right in the middle of the ramp. Typical!:
DIY Bunny Hutch! Don't have a bunny but, this is very cool!