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Mars 2020 sample tube
The tube Perseverance seals Martian rock into for a future return to Earth.
The actual model file, as it will be printed. Drag to turn it.
Perseverance drills cores, seals them into tubes like this one, and leaves them in caches on the surface for a later mission to collect. They are the cleanest containers ever sent to another planet, so that anything found inside is known to have come from Mars.
Published by NASA in their 3D Resources collection, which they state is free of copyright. Printed to order — scaled to about 80 mm on its longest side, and resizeable on the next page.