If you have no 3D printer, .stl files are viewable in the Mac OS Finder. Just download the file, select it and hit the spacebar: a 3D rendering of the .stl can be rotated.

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shrx a day ago | parent | next [-]

Windows 10 also has a built-in viewer for STL files [0]. It appears to be an optional download in Windows 11 though [1].

[0] https://en.wikipedia.org/wiki/Microsoft_3D_Viewer

[1] https://apps.microsoft.com/detail/9nblggh42ths

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hbcondo714 a day ago | parent | prev | next [-]

Are there any particular 3D printers recommended for these NASA models?

	▲	JKCalhoun 19 hours ago \| parent \| next [-]
		As the other comment suggests, any printer will do. For this particular model, I think a 3D printer with "good resolution" will give the best results. So a resin printer will probably give a smoother finished model than a filament printer.
	▲	pdpi a day ago \| parent \| prev [-]
		Loaded up the models into my slicer, looks like a pretty straightforward print. Should print on anything "mainstream", I reckon. About 4h worth of printing on my Bambu P1S.

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650REDHAIR a day ago | parent | prev [-]

This is a really neat tip! Thanks!