of what german wwii plane is this door

[Swingcat]

I could not find all of them, but here are some, I don't think they are from your plane though, here is some "pad filling":

Attachment 317635

The color on the back of your "door" is definitely "cockpit blue", and the pads would be somewhere inside the cockpit. Here is a picture from a Dornier 17:
Attachment 317636

intresting

[Studly]

As far as iam aware all German Aircraft Interior colours were RLM Grey.

Greg

[Vegard T]

As far as iam aware all German Aircraft Interior colours were RLM Grey.

Greg

I was not sure what to call it, so I call it "cockpit blue", you are correct.

[Bluetwo]

Struggling to name the aircraft, but the markings remind me of the 'Afrika Korps' palm tree...