3-mounted floor/ceiling library

This library (smart!) dates back to the 1950s. Does not require tools and installs in 5 minutes. It consists of 3 floor/ceiling studs, adjustable in height (from 2m35 to 2m75) and can be placed according to your needs, either in separation, at an angle (see photo) or simply straight in front of a wall! Doesn't require a backing against a wall... 8 white, solid, solid, solid wood rays, one wider (32cm) than the others (24cm) can be used as a writing board or small desk and 3 black metal studs ensure its solidity and stability. Height mini 235cm, height max 275cm, installed at an angle it is 80cm X 80cm. State: "in his juice.".