Thingiverse
A remix of the original 3Dator idea. I adapted it to the 3Dator E3D printhead and added a mechanism to increase/decrease the spring load on the tip.I used a 3,5mm diameter rod with a threaded end to screw it into the spring bearing, the springs are 5,5mm x 20,2mm.
Direct link to the original creator's page
This model is published by its creator on Thingiverse. STLFinder only indexes it: the "View on Thingiverse" button above opens the original page, where the creator shares the STL files under their own license.
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.
Yes, the creator shares it at no cost on Thingiverse. Some creators accept tips or donations.
Check the license (see original page) on the original Thingiverse page. Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer.