Trying to hack a 4x4 or 5x5 kallax...I need 12 boxes for sewing supplies and a 3 wide space for my sewing machine/serger. I've seen people take out one divider, but will
Amazon.com: Ikea ' New KALLAX Shelf Unit, Black-Brown (Black, 44 1/8x57 7/8) : Home & Kitchen
KALLAX Shelf unit with 4 inserts, white, 303/8x577/8" - IKEA
IKEA KALLAX shelf insert: Easily divide the cube with these hacks
First Kallax! I've got some work to do! : r/OmnibusCollectors
KALLAX Shelf unit, white, 44 1/8x57 7/8" - IKEA
KALLAX Insert with 4 shelves, white, 13x13" - IKEA