thingiverse
This piston has a cylinder head, so it can be powered on the up and down stroke. Another entry for the Makerbot giveaway.
Instructions
As with my other piston, you will need to split the document into two, the cylinder, and the piston rod. the piston rod half also indludes the cylinder head. use a file and a pair of calipers to get a snug fit. Next, drill four small holes through the cylinder head into the wall of the cylinder, so it can be screwed on. slot the piston rod into the cylinder befor screwing the cylinder head on.
Direct link to the original creator's page
Click the "View on thingiverse" button above to visit the original model page on thingiverse. You can download the STL file directly from the creator's page for free.
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.
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Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original thingiverse page to see if modifications are permitted by the creator.