The funny thing about sloped armor is that as a concept it wasn't strange to the germans, after all, their battleships used turtleback citadels which relied on sloped armor to bounce off shells coming from a short distance (unreliable against plunging fire). But they decided to ditch this concept for tanks
The Nazis knew about sloped tank armour and would have used it if they could have, it was the need to mass produce them with the methods they had available at a reasonable price that forced the boxiness.
The funny thing about sloped armor is that as a concept it wasn't strange to the germans, after all, their battleships used turtleback citadels which relied on sloped armor to bounce off shells coming from a short distance (unreliable against plunging fire). But they decided to ditch this concept for tanks
HANS, MAKE ZE PANZER A BIG FUNNI BOX JA?
The Nazis knew about sloped tank armour and would have used it if they could have, it was the need to mass produce them with the methods they had available at a reasonable price that forced the boxiness.