To add bed slats or box spring to rest your mattress on, build a smaller rectangular frame made from 2”-by-4” boards that fits inside your mattress platform frame.

You can find great bed-frame plans on sites like DIY Pete, ... though many antique beds are as high as 36 inches and some contemporary platform beds are just 18 inches ... depending on bed size.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Even the novice DIY-er can build a bed frame. That’s because beds are relatively simple ...

In this DIY project, I built a modern floating platform bed with integrated nightstands using only 3/4" pine plywood. It’s clean, minimalist, and surprisingly simple thanks to pocket hole joinery.