Being the daughter of a 'Depression Baby' and living through a few Oil Busts here in Oklahoma has taught me a thing or two about 'making do' or 'upcycling'. The thing is I have a hard time throwing away fabric scraps --
Which brings me to this project - not bad for my first attempt with t-shirt yarn - I give it a 'C+' -- mainly because the knit t-shirt scraps were used and not pitched into the trash -- it was a fun/quick project -- and it's actually being used -- although I may have misjudged the size needed for our very plump cat, Libby-Lou!
Libby's very colorful cat rug/bed was crocheted with 'Yarn' made from cotton t-shirt scraps
using this tutorial: http://mousechirpy-polkadotpineapple.blogspot.com/2008/03/tutorial-t-shirt-yarn.html
The only change I made to the tutorial was using my rotary cutter and mat to make the first cuts, then using scissors for the diagonal cuts to create continous strips. As I wound the strips into balls, I tugged on the strips until the edges rolled creating a nice 'yarn'. Using a size K hook, I crocheted an oval out of double-crochet stitches to the size I thought would work, then continued hooking (with a few decreases throw in) until I had a shallow 3-inch edge and called it 'done'.