His personality shines through in the Alexandra door handle, where he overturned the usual mechanism we use. Generally, the rose is fixed to the door, but here, it rotates as a solid whole with the entire handle.

— Porsche Design, Siemens, Premium Line 2, strumenti per la colazione, 1995
— Ferdinand Alexander Porsche
It was a real challenge for us to develop the special pieces to marry the precision of this invention’s functioning with the lightness of his slim, flowing line. — Antonio Olivari
— Ferdinand Porsche, Porsche 911, 1963
— Porsche Design, Rollei QZ 35T, macchina fotografica