KALLAX desk attachment: How to attach and hide it Read More Home IKEA HACKS Work Station IKEA Desk Hacks Used the Kallax desk for years and decided to go for a standing desk. Easy I thought, just buy a second desk, saw a piece off and mount it on top of the existing desk. Advantage is the lower desk can be used for a scanner and cable management. See Also The Much Easier Way To Build A Desk in a Closet