1913 Alfa Aerodinamica, body by Carrozzeria Castagna, might have influenced the designs to follow, like the Dymaxion

Above image via MegaMoto
http://megamoto.tumblr.com/Do you also see the similarities to the below 1921 Rumpler, in the fenders especially

Do you also see the similarities to the Dymaxion
http://justacarguy.blogspot.com/2007/07/funky-car-that-is-from-one-of-earliest.html