KALLAX Shelving unit with 6 inserts, white, 112x147 cm (441/8x577/8") - IKEA CA
My first IKEA hack: Variera from the kitchen department as a shelf for a kallax. Caveat: if used in a cabinet insert, second leg must be assembled inside as it won't pass
IKEA KALLAX shelf insert: Easily divide the cube with these hacks
KALLAX Insert with door, white, 33x33 cm (13x13") - IKEA CA
KALLAX Shelf unit with 10 inserts, white, 182x182 cm (715/8x715/8") - IKEA CA
KALLAX Insert with 2 drawers, white, 33x33 cm (13x13") - IKEA CA