Type-212 U-Boat Rubber Band Powered 22 March 202611 May 2021 by Webmaster The German Type 212 class, also Italian Todaro class, is a highly advanced design of non-nuclear submarine (U-boat) developed by Howaldtswerke-Deutsche Werft AG (HDW) and Fincantieri S.p.a. for the German and Italian Navy. The3d model is very close to the real thing with fine details and it also actually dives :). it is powered by a twisted rubber band power and controlled with adjustable diving planes. Read more