They actually sell these types of floating shelves at IKEA but if you want to make your own look, you can simply buy the brackets and make your own board. These shelves are a single plank with a metal bracket at each end that holds the board in place. Very easy to set up and install.

You have to see this tutorial on how to build #DIY rustic floating shelves with IKEA brackets #HomeDecorIdeas #RusticDecor #LivingRoomDecor @istandarddesign

Tutorial: ashadeofteal.com

See more: 20 Stylish DIY Floating Shelves That Win at Decor