Basement- not this exactly, but saw something similar on Bemz with different thicknesses of ikea twin mattresses with covers. Could be fun "sofa" that breaks down to play area padding and for sleepovers
The Quartz Armchair, designed by CTRL ZAK and Davide Barzaghi, is a geometric seat built up of individual hexagons and pentagons. When the individual shapes are popped out of the beechwood structure, they can be used as extra seating.
Inspirations & Ideas Unique Wall Shelves Room Ideas Bookcase Modern Shelf Small Design Solid Unique Bookshelf Library Bookshelves Dividers Furniture Interior Decorating Pink And Black Book Shelf Exotic Book Cabinets with Multifunction Design