Maus Fording Snorkel System

This is my 1st 3d creation from scratch. It is something that I have never been able to locate in a 3d print media or in a model kit. This is the system the Germans planed to use to get their Maus tanks across rivers with (bridges wouldn't hold 207 tons). As far as I can tell it wasn't made and only the blueprints exist for it. The idea was to water proof the tank by removing the normal front and rear plates , sealing them off with closed plates and installing this snorkel to stick above the riv