1/72 regelbau 667 bunker for pak 43/41

Edit: I included a different version of the right roof, and the right wall. The difference is minute, but I like it better this way.

This bunker is based on the regelbau 677 drawings that I could find online. In reality a trench would be built behind the bunker, to protect the doors from direct fire.
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I tried to create multiple smaller components that can be assembled to have the complete structure, so that most people could be able to print it. If you have any comments, please let me k