KALLAX Shelf unit, black-brown, 44 1/8x44 1/8" - IKEA
Reducing a Kallax (3x3 to 2x3)? : r/ikeahacks
KALLAX Shelf unit, white, 30 3/8x30 3/8" - IKEA
Amazon.com: ReplacementScrews Hardware Kit Compatible with IKEA KALLAX 3 x 3 Shelf Unit 404.156.01 - All Screws (104321) and Dowels (101339) : Home & Kitchen
Simple ikea kallax 3x3 3D - TurboSquid 1523775
Kallax 3 X 3 Cubby White Black or Natural MDF - Etsy