IKEA hacks are very popular because IKEA furniture is like canvas for painting pictures. For this hack you’ll need 2 Kallax shelving units, assembled with the hanging brackets set aside, 58″ by 33″ inch piece of plywood, 8 long screws, no odor polyurethane, a power drill. Make sure your 2 Kallax shelves are fully assembled! Push the two shelves together, the cubbies should be facing the sides, and make sure that the ends line up with one another. Using the hanging brackets and screws that came with the Kallax shelves, screw the bracket in so that connects the interiors of the two shelves. Continue reading in the source.