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Posted by Not a reserved name
 - December 20, 2025, 18:05:13
I would love to have a go at making something like this but suspect the friction focus will have it's challenges. I printed a working 300 micron pitch screwthread in vase mode which might be worth exploring for a focus mechanism.
Posted by Redaktion
 - December 13, 2025, 11:31:53
Lucas Sifoni documents a pocket-sized, 3D-printed Dobsonian telescope built around a 76 mm mirror. The project details its compact mechanical design, materials, optical testing, and limits, showing it is small but genuinely functional.

https://www.notebookcheck.net/This-inexpensive-3D-printed-DIY-telescope-fits-in-a-jacket-pocket.1184793.0.html