feral cat shelter - I like this duplex model.
DIY insulated winter cat shelter. I think this one has the best instructions.
Feeding Stations/Feral Cat Shelters...
DIY colony cat feeder
Wooden Outdoor Cat House / Shelter - for up to 2 cats. Quality build VGC. | eBay
Friends For Life initiative gives feral cats shelter for winter
Building Winter Shelters for Street Cats 2014 - Imgur
DIY safe house for stray cats in winter
It's time for More Purrfect Cat DIY Projects and WOW are you going to love them along with your kitty cats! They are quick...easy and fabulous!