A 'chibi-fied' Common Berthing Mechanism hatch, like those on the International Space Station.

Note: The mechanism does not work at this scale due to friction and lack of rigidity.

• All files provided without tolerances added (nominal dimensions). You'll have to add your own in your slicer.
• Use 1.75mm filament for the shafts connecting the various pieces.
• Handrails & handrail mounts must be glued in place.
• Screws can be (maximum) M2 screws.
• Hatchway (outer part) is held on with tension from the latches, as with the real-life design. Slip it on last.