
Bombón rings - Thumb ring (anillo pulgar)
thingiverse
I've got two heavy thumb rings in my hands right now, each weighing 125 grams. They're really comfortable for me. I'm sharing the design here because I love free stuff. The file comes with FreeCAD source code, so you can edit it and change the shape if you want to make it smaller - just decrease some values in the sketches.
Download Model from thingiverse
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