thingiverse
The original bed knobs are too small and don't lock in place very well. These are CR-10 scaled down to clear the sides with a hex for the nut.
I always put a metal washer between the bed and knob and put a small drop of hot glue to serve as a makeshift "lock nut". Keeps the knobs from spinning freely.
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/fOodZJhUsG3
Direct link to the original creator's page
cults3d
thingiverse
thingiverse
thingiverse
prusaprinters
thingiverse
thingiverse
thingiverse
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.