Like shipping pallets, wooden cable spools are another item that is usually found for free on Craigslist. Since cable spools are limited by their shape there are fewer repurposing options, but they make a great coffee table bookcase.
If you're like me, you've spent countless hours surfing IkeaHackers, where Ikea fans send in their mods and hacks. You've also probably spent money at Ikea thanks to the site, which has inspired a DIY fervor among its fans. Which is why Ikea shutting down IkeaHackers this weekend over trademark claims is beyond boneheaded.