grabcad
PenTRAY
PenTRAY is an octagon shaped solar reflector, which will used during the deployment of rover to lunar surfaces. This model is uploaded for NASA lunar torch challenge which will be Tele-Operated Rover-based Configurable Heliostat (Lunar TORCH). The expected reflection area of the heliostat is 10 square meters at minimum therefore this model will achieve more than 11.6 square meters reflection with a minimum proximity.The model has greater flexibility and solar panels which will give the heliostat to work under difficult conditions.
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Frequently Asked Questions
How do I download PenTRAY?
Click the "View on grabcad" button above to visit the original model page on grabcad. You can download the STL file directly from the creator's page for free.
What 3D printer can I use for this model?
This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
Is this 3D model free to download?
Yes, this model is available as a free download on grabcad. Some creators accept tips or donations.
Can I modify this STL file?
Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original grabcad page to see if modifications are permitted by the creator.