IKEA Hackers: Outdoor Cat Enclosure
DIY scratch board for your Cat...
Cat Garden - 15 Plants Cats Love
Easy DIY Cat Scratcher | Self-Petting Station for Cats by DIY Ready http://diyready.com/best-diy-pet-projects-to-keep-your-furry-friends-happy/
Auntie Em's Cat Tower | Madame Purl More
Hang a basket lined with a blanket for a classic DIY cat bed! Just be sure the hooks can handle rambunctious kittens...
cat door made for windows
Cat Enclosure. I love how half has pavers for people to sit comfortably and the other half is grass for the kitties to romp!
Cheap and easy DIY cat toys that cats love to play with! These would make a really great gift idea for your cat!