The Porsche Type-180 design [Designated VK 45.02(P)] was based on the earlier VK 45.02(P) design but mounting the 8.8cm L/71 gun on a much modified hull. Two versions were proposed, with turrets to the front(Vorne), or to the rear(Hinten), however only the former was proceeded with, and the construction of three prototypes was underway by February 1943.
The turret and guns were designed by Krupp, the distinctively shaped ?