Finished my Ikea hack for a faux floating shelf. Glued together two Kallax shelves and mounted on top of a recessed base (2x6 pine planks) painted the same color as the floor. :
KALLAX Shelf unit, white, 16 1/2x57 7/8" - IKEA
KALLAX Shelf unit - walnut effect light gray - IKEA | Ikea kallax shelf unit, Kallax shelf unit, Ikea kallax shelf
HACKING AN IKEA KALLAX SHELF INTO THE SIDEBOARD OF MY DREAMS! | DIY Arch Doors, Faux Cane Webbing - YouTube
IKEA Hack - Mounting KALLAX on the Wall | Ikea wall shelves, Ikea kallax shelving, Ikea wall cabinets