Link below shows a very simple shape for a velocycle but looks very nice in my opinion
https://www.blueskydsn.com/kit_aero.html
Next link is for an original design which replicated the Messerschmitt KR200 They sell all the body parts for the cars. Phoenix classic autos also sell Messerschmitt body parts at reasonable prices.
http://messerschmitt-werke.de/lang_en/index.php
https://electricbikereview.com/forum...omobiles.3666/
Cascu make grp body parts for the kr200
http://https://m.facebook.com/classic.and.sports.cars.unlimited/?locale2=en_GB
https://www.phoenixclassicautopanels.com/new-page-5