Low Cost Solar Viewer 3D printable model by DesignbyKnight

Low Cost Solar Viewer

Source: Thingiverse by DesignbyKnight

The Low Cost Solar Viewer is a free printable 3D model from Thingiverse by DesignbyKnight. This is an updated version of my Solar Projector but designed to be lower in cost and requires no cutting of plastic like the original. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-02-13

Tags: Low, Cost, Solar, Viewer

About this model

This is an updated version of my Solar Projector but designed to be lower in cost and requires no cutting of plastic like the original. Once the 3D parts are printed, this viewer can be assembled in very little time. It would make a good STEAM project for schools and other organizations. It uses a 4" x 24" cardboard mailing tube. The 4" was chosen to provide a larger viewing area and so it doesn't have to be re-positioned as often. The tube can be used as-is or personalized by painting, using decals or wrapped with decorative paper. This design is based on Tasco's newer 10 x 25 monocular as it appears the older one I used in the previous design may have been discontinued. I ordered one from Amazon for about $16. The 4" x 24" mailing tubes are available at various locations but I ordered a …

Frequently asked questions

Is this 3D model free to download?
Yes. Low Cost Solar Viewer is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by DesignbyKnight.
Who made this model?
Designed by DesignbyKnight, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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