1965 Porsche 906 ‘Carrera 6’ blueprint. This is a factory engineering drawing of the type 906 Spyder prototype I, date stamped April 28, 1965. It is large, measuring 47×32.5″, and in fine original condition but with holes punched. It is coded ‘906.003.506.03’ and shows side, front, top and back elevations. Please note the actual color of the paper is cream.