The title says it all i think. Just recently I've been drawing boxes, glasses, rectangular, lathe objects from life and i feel a difference. I know traditional art training involves drawing boxes to teach perspective, but compared to the one point, two point and three or four point perspective setup techniques, this seems to work for me to be honest. I feel that it is totally different, and there is no other way to learn it but from real life drawing. What do you people think about this concept? Also if there are sculptors here, i would be really curious how exactly they learn perspective, if there is a significant difference compared to 2D artists (guess there is).