Many thanks for following the build and leaving such nice comments, Gregory and Gazza, glad to have you on board!
Today I started working on the interior. I made a drawing of the cockpit sides in scale:

Then I fixated the drawing to a piece of aluminium with Tamiya tape, to keep it stable and prevent it from crooking:


Afterwards I started glueing evergreen profiles cut to the desired length to the respective spots with small drops of CA. Then I glued the joints with Tamiya extra thin to weld them together. At the end I got this:


Now the parts have been soaked in debonder, which should dissolve the CA and loosen the parts from the paper. Will see tomorrow, how it works out.
Cheers
Ondra