Mondo Knows Facts

Crews have printed tools on the space station

A 3D printer removed the need to launch every replacement part The first printer flew in 2014 and made a ratchet among early test objects. Engineers compare printed parts with ground versions to learn how microgravity affects plastic layers. Printing is seen as groundwork for long missions where resupply is rare. It sits in Mondo's space collection, one of 200 facts that each trace back to the reference below.

Where this comes from

NASA

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

Go further

More facts like this

Tags: manufacturing, iss, engineering

Crews have printed tools on the space station: the short answers

Where does this come from, and can I check it?
A 3D printer removed the need to launch every replacement part. The figure is taken from NASA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?
Yes. It sits on the Space shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.