When Hikmet tasked us to look into a "future" version of his Sonra "Proto", obviously we couldn't say no. After a few scribbles back and forced, Keingarten took over to build the 3D model and we managed to get a proper printout of it.
The shoe released as a one of one and was available at the Porsche Design Flagship in Berlin, as part of the "Past. Present. Future." approach.