KALLAX Shelf unit with 2 inserts, white, 161/2x577/8" - IKEA
BOON Cube Storage Shelf Square 4x1 | Shelf & Co.
Matrix Cube Organiser - ErgoFurniture
simple 2 4x1 Kallax hack stacked together as a hallway console. The other Kallax partition was not attached as I planned to leave the upper middle part as bookshelf. I added some