thingiverse
Simple cube for calibration.
Should be 20x20x20mm in size.
Square hole on side should be 10x10x5mm in size
Round hole should be 10mm in diameter
Square hole with ball should be 10x10x5mm with 8mm ball
Holes on top should be 4x4mm
The two pillars should be 1x3x10mm
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.
Yes, this model is available as a free download on thingiverse. Some creators accept tips or donations.
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.