I am very happy to see your take of the 'Werfthalle', a design that dates back to the Third Reich, and was used at a great many wartime and postwar airfields, including RAF Wildenrath and Gatow, now the site of the Luftwaffe museum.
On a side note, when they opened that Hangar 1 in Gatow, e.g. for sheltering a Hastings, the way they did it was as follows. They opened a crack at the second hinged element from the right hand side, folded the two elements fully up, and manually pushed them into the right hand wing. They repeated that operation on both the right and the left hand side, often simultaneously, until the hangar was fully opened up. If memory serves there was a total of 14 elements. Things may be different now that everything electrically operated and, who knows, voice controlled. At any rate, realizing that old manual operation would be quite an animation challenge.
Manfred (the other one)