Printed with PLA. Added a thin cylinder to mate the halves, with no gluing required. Glued the landing gear in place.
I think you glued the doors as wrong as I did ;) See the comments.
I just glued what looked feasible. The door struts were way to weak to handle any use, and the lower door didn't look right.
The way I've got it, I'm sure the landing gear can handle some mild abuse (falling over) without damaging anything. I used clear gorilla glue, with water as an activator. I did one leg at a time. So it was 2 hour wait between gluing. I also did the doors one at a time.
Model was spray painted grey, then acrylics.
No infill and that worked? WOW!
The two halves are smooth inside. It printed quite easily on my first attempt.
Makes a unique gift box if not using for tabletop.