I have decided I will be building this:

https://www.google.com/search?q=brabham+bt46b&safe=strict&client=firefox-b-1-ab&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjrw-D-yPPZAhUE1WMKHQQzCWQQ_AUICigB&biw=1600&bih=786#imgrc=cBqAJFkHz1FnaM:

Hard? Yes.
Beautiful? Yes.