Thingiverse
My wife bought a cat ring holder in Puerto Rico, but it was made of a light wood, skinny and kept tipping over. I figured I would use my rudimentary 123D skills to make a wider heavier one. The last picture is the original wood one. The 123D file is included if you want to edit.
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 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, this model is available as a free download 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.