The Kooklik U boat

I managed to get the laser cut frames from Germany , they fit perfectly, might have a problem with the "Skin" size although I just tried the bow section. I have a conning tower question , can anyone find a reason for that white space? did I miss something? thanks

Attached Images

	Conning tower 1.jpg (99.1 KB)
	IMG_2295.JPG (100.2 KB)