The cahiers filled up and, honestly, they were too small for what I was using them for. Still, learned a lot on what works for me.
Everything you need to know on building a catapult.
How to build a catapult.
I like digital photo frames, especially the DIY bunch. Why buy one when you can make one way cooler - on the cheap?
I am still working on turning my old iBook into one, but...