I love a good built-in hack, and lately I’ve seen so many stunning built-in bookcase IKEA hacks that I decided to dedicate a post to them. Seriously these bookcase hacks are so good you’ll never know they are from IKEA. Built-in bookcases are the perfect way to add seamless storage to your home, and what better way to do that than with a fun DIY IKEA hack project! Keep reading for some serious hack inspiration, I can’t wait to build my own!  Arched IKEA Built-In Bookcase Hack How amazing do these built-in bookcases look? Tamara Smith used IKEA’S BILLY BOOKSHELVES and turned them into seamless built-ins. The arches she added…