Wenwan, Fidget Walnuts. The primary purpose of wenwan walnuts is to serve as a natural hand massager and mindfulness tool. Rotating a matched pair in your palm stimulates pressure points, which improves blood circulation, boosts dexterity, and relieves mental stress. Beyond health benefits, the practice is a rewarding, long-term hobby.

Primarily real walnuts are used and over time usually years they polish in your hands. Of course the 3d printed version wouldn't do that. they do need supports to print, once removed just add a little heat to the area just to make sure its all smooth. of course you can make them heavier or light with different infills to your taste.

0.2 layer, 15% infill. Bambu basic brown