It turns out there are indeed some 3D models in their archive, but it takes a bit of detective work to find them.
@smithsonian
Smithsonian Releases Massive Amount of Digital Data, But Where Are The 3D Models?
The Smithsonian this week announced the availability of 2.8M digital artifacts for download. Are there 3D models in the repository? We took a look.
The Smithsonian’s 3D Printable Library
It turns out the Smithsonian has a relatively large (for museums) library of downloadable 3D models for 3D printing. We’re trying one now.
Smithsonian 3D Prints Neil Armstrong
The Smithsonian Institution is 3D printing life-size copies of Neil Armstrong.
Finally: ALL Museum Specimens Being 3D Scanned For Public Use
An enormous, decades-long project is launched to 3D scan virtually all fossils and specimens stored at major museums.
Apollo 11 Coming Soon To Your 3D Printer?
A team from The Smithsonian and Autodesk are performing an intricate 3D scan of the actual Apollo 11 capsule.