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Smithsonian’s Apollo 11 Command Module
An old friend asked for a copy of the Smithsonian’s Apollo 11 Command Module. I started with a tiny 1:80 version to check feasibility:

Apollo 11 CM – 1-80 scale It’s obviously not printable in one piece without a ton of support, so I chopped off the heatsink and printed the parts separately in the obvious orientation:

Apollo 11 CM – 1-80 scale – split – Slic3r preview And glued them back together:

Apollo 11 CM – clamping That worked well enough, even without locating pins, to give me confidence that it’d come out all right.
There’s plenty of gimcrackery surrounding the upper airlock:

Apollo 11 CM – 1-40 scale – top – Slic3r preview Most of which simply vanished at 1:80 scale:

Apollo 11 CM – 1-80 scale – top detail I made another cut just below the top of the capsule and ran off a 1:40 scale version that came out somewhat better, but it was still ugly:

Apollo 11 CM – 1-40 scale – mortar detail Much to my astonishment, the grab rail over the side hatch, between the two parachute motars, came out well every time.
The giant 1:20 scale version would require something over 24 hours of printing, so I went with 1:30 in three pieces:

Apollo 11 CM – 1-30 scale – sections The top had pretty good detail:

Apollo 11 CM – 1-30 scale – top section – 1 Another view:

Apollo 11 CM – 1-30 scale – top section – 2 Gluing the parts together made it ready for cleanup / finishing / painting:

Apollo 11 CM – 1-30 scale – assembled Which he’s better at than I ever will be…
Natural PETG probably isn’t the right plastic for that kind of model, but it’s what I had on hand.
Enjoy!