SDES has been committed by the Transport Division of Pininfarina R & D, to design innovative snow-groomers: Prinoth ‘Everest’ (1997) and Leitner ‘Leitwolf’ (2000). SDES is an independent Design Studio based in Turin, specialised in Industrial design that provides design services to Pininfarina since 10 years, ranging from operative means, heavy duty and commercial vehicles, as well as special purpose means and public transportation. The design team, is led by Sandro Vernacchia: ‘Our mission is to perform a first class service combining our skills in the area of the industrial design with the capability to fullfil the needs of our customers in any specific project’. The projects Everest and Leitwolf testify the successful cooperation of SDES with the prestigious design house of Turin. Some pictures of the vehicles realised, manual renderings and preliminary 3D mathematical models are shown below.