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Small 90 degree gearbox
A fairly simple 2 stage gearbox. Use Aluminum rod for the shafts, a couple of small ball bearings and 3D print the rest to have a functional but somewhat noisy (the teeth are just triangles) gearbox. This was first modeled back in SolidWorks 98. The fanciest bit is the top and bottom covers which were modeled as one piece and split with a knitted surface to include the lip. I don't have a set of drawings anymore to include here. I did include a STEP file for non SolidWorks imports.
Direct link to the original creator's page
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How do I download Small 90 degree gearbox?
Click the "View on GrabCAD" button above to visit the original model page on GrabCAD. You can download the RENDERING, SOLIDWORKS, STEP / IGES file directly from the creator's page for free.
What 3D printer can I use for this model?
This model 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?
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Can I modify this file?
Check the license (see original page) on the original GrabCAD page. Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer.