Hut by AnimalLover2
Tunnel by AnimalLover2
Hammock by TomatoBrains
Bucket-O-Rats by Kitsch N Sniff
As you can see, Homer is my ratty model :P He seems to get into every photo!
I will post about more DIY rat designers in the future... always finding new places to shop. etsy & eBay are always helpful in the 'rat shopping' realm though :P