Interesting links
Astronomy

3D-printing (not only Astronomy):

• https://www.youtube.com/ ... (EASY way to Model a KNURLED Surface for 3D Printing in FreeCAD, KTEC Designs) NEW September 2025
• https://www.youtube.com/ ... (Create Custom External Threads in FreeCAD with Additive Helix, Mango Jelly Solutions for FreeCAD)
• https://blog.rahix.de/ .../ (Design for 3D-Printing, Rahix)
• https://www.thingiverse.com/ ... (Telescope Collimator Accessory, PixelatedDad)
• https://www.youtube.com/ ... (How this bizarre pericyclic transmission works, Retsetman)
• https://www.youtube.com/ ... (3D Printed Screw Compressor V3, Indeterminate Design)
• https://www.youtube.com/ ... (Extrusion Quality - Mystery issue resolved, MirageC)
• https://www.youtube.com/ ... (6 Advanced FDM 3D Printing Tips When Adding Metal Parts to Your Build, TriMech)
• https://www.thingiverse.com/ ... (Flexible shaft coupling - fully parametric, Thingiverse)
• https://www.youtube.com/ ... (3D Printed Wire Race Bearing, YouTube)
• https://www.youtube.com/ ... (CNC Machined vs 3D Printed Cycloidal Drive, YouTube)
• https://www.thingiverse.com/ ... (Bahtinov mask generator, Bot-ork)
• http://www.stubmandrel.co.uk/ ... (3D Printable Bahtinov Masks, Stub Mandrel)
• https://www.nebulaphotos.com/ ... (Using and Making Bahtinov Masks, Deep Sky Astrophotography)
• https://openastrotech.com/ ... (3D-print your own horse shoe mount, Open AstroTech)
• https://www.theastrogazer.com/ ... (3D-printed parts, The Astrogazer)
• https://cults3d.com/ ... (3D-printable astronomy, Cults 3D)
• https://www.yeggi.com/ ... (3D-printable astronomy, Yeggi)
• https://www.yeggi.com/ .../ (3D-printable astrophotography, Yeggi)
• https://www.thingiverse.com/ ... (3D-printable astronomy, Thingiverse)
• https://www.thingiverse.com/ ... (3D-printable astrophotography, Thingiverse)
• https://www.thingiverse.com/ ... (Off axis guider, Thingiverse)
• https://www.thingiverse.com/ ... (Barn door tracker, Thingiverse)
• https://www.thingiverse.com/ ... (EQ3-2 astronomy pier, Thingiverse)
• https://www.thingiverse.com/ ... (Right angle adapter for binoculars, Thingiverse)
• https://www.thingiverse.com/ ... (EQ telescope mount with OnStep goto controller, Thingiverse)
• https://www.cloudynights.com/ ... (My 3D printed 5" travel scope and eq fork, Clody Nights)
• https://3d-expo.ru/ ... (Powerful Dobson telescope Russia, 3D-Expo)
• https://petapixel.com/ ... (3D telescope, Petapixel)
• http://www.open spaceagency.com/ ... (Ultrascope, Openspace)
• https://makezine.com/ projects/ .../ (3D printed raspberry pi telescope, Makezine)
• https://hackaday.com/ ... (Clockwork Star Tracker, Hackaday)
• https://www.observatorio-majadahonda.com/ ... (Spectrograph LOWSPEC, Observatorio Majadahonda)
• https://www.thingiverse.com/ ... Parametric pulley, Thingiverse
• https://www.thingiverse.com/ ... Parametric pulley, Thingiverse
• https://www.thingiverse.com/ ... Parametric spur gears, Thingiverse
• https://all3dp.com/ ... (Info 3D carbon fiber, All3DP)