This is a bit of a twist (well spin) on a traditional bathroom, a bath one minute but a with a 180 degree turn it transforms into a shower.
Designed by Ron Arad, the “Rotator” is made out of duralight® and is more of a work of art than just a simple bath. However looking at it does not fill me confidence about the comfort of bathing in it. To empty the bath simply rotate it until the water overflows, just make sure you have a drainage in your bathroom floor.
More info over on De Zeen found via ID Asia.