I measured the mirror and figured out the right size of drawer slides and how big the nook could be. (notjustahousewife.net)
This is a pretty simple build and couple be completed in a couple of hours, provided you are better at installing drawer slides than me! (shadesofblueinteriors.com)
The architects take advantage of the 3.4 (11» -2») meter ceiling height to raise the bathroom off the floor and «create free space beneath for the inhabitant's individual use,» although not very much space - that stair appears to be on drawer slides of some kind so that it can move under the bathroom, and there isn't sufficient height to stand there. (treehugger.com)