About this video
Where to Find Free NASA 3D Print Models
If you've ever wanted to hold a miniature version of the International Space Station or a Mars rover on your desk, you're in luck. NASA makes hundreds of accurate, scientifically vetted 3D models available to the public at no cost through its NASA 3D Resources portal (3d.nasa.gov). The library includes spacecraft, satellites, asteroids, planetary terrain, astronaut tools, and even full-scale rocket components — all derived from real mission data.
What You Can Download
The collection covers a surprising range of space objects, including:
- Space stations like the ISS and proposed lunar Gateway modules
- Mars rovers such as Curiosity, Perseverance, and Sojourner
- Asteroids and comets including Bennu and 67P/Churyumov-Gerasimenko
- Moon surface terrain based on LRO elevation data
- Rockets and launch vehicles like the Space Launch System
- Planets and exoplanets rendered from satellite imagery
- Astronaut suits, tools, and mission patches
Most models are available in STL and OBJ formats, making them compatible with virtually every slicer and printer on the market.
How to Download and Print
- Visit 3d.nasa.gov and browse the gallery.
- Filter by category — spacecraft, planetary, biology, etc.
- Download the STL or OBJ file directly (no account required).
- Import into your slicer (Cura, PrusaSlicer, Bambu Studio).
- Slice and print.
Recommended Print Settings
- Layer height: 0.15–0.2 mm for a smooth surface finish on curved planets and capsules.
- Material: PLA works great for display models; PETG or PLA+ is better if you want a small amount of flexibility for thin antenna parts.
- Supports: Tree supports are ideal for the ISS truss and rover wheel assemblies.
- Infill: 15–20% gyroid is plenty for decorative models.
- Scale: Print at 150–200% for tabletop display pieces, or print at high fidelity for collector shelf items.
Pro Tips for Better Results
- Use seam painting in your slicer to hide seams on smooth planetary surfaces.
- Print asteroids in matte gray or sandstone PLA for a realistic rocky look.
- Apply a thin coat of clear matte spray to bring out surface texture on rover and ISS models.
- Combine multiple downloaded parts to recreate full scenes, like a rover on moon terrain.
- Check the model's license — NASA models are usually public domain or CC-BY, so reselling printed copies is generally fine as long as you credit NASA.
Frequently Asked Questions
Is NASA 3D Resources really free? Yes. The entire library is free to access and the files are released under permissive licenses.
Do I need an expensive 3D printer? No. Any FDM printer with a 200 mm or larger build volume can handle most NASA models when scaled appropriately.
Can I sell prints of NASA models? In most cases, yes — but always double-check the per-model license page before selling commercially.
Where else can I find space models? NASA's print-at-home archive on GitHub and ESA's (European Space Agency) 3D library are two excellent companions.
