The rubber feet of my piano stool were disintegrating, so I designed a quick new one.
The tube of my chair has a diameter of 25,5 mm.
In my case there was a lot of stringing between the feet.
If you print more than one I would recommend to print the feet one after another (in Bambu Studio: Others - Special mode - Print sequence - By object
The author marked this model as their own original creation.