Tri-Arm Fidget Spinner

Take fidgeting to a whole new level with the Tri-Arm fidget spinner featuring Easy Grip Technology! Our Easy Grip Technology makes fidgeting comfortable with it's rounded design unlike many other sharp-edged spinners today. Furthermore, the spiral shape of the arm forms a crevice where your knuckle can fit, allowing you to not only fidget with one hand, but also achieve superior spin speed single handedly!

Instead of using the standard 608 bearings for the outside, we used some 625s to make the arms more natural feeling and thinner. Amazingly, the small 625 bearings still provide the necessary outer weight to spin very well!

We also developed a plate sandwiching system that allows easy and repetitive removal of the bearings. It involves thee M3x8 bolts, three M3 lock nuts, and three 3D printed spacers (a lot of 3s). The 3D printed spacers ensure that the bolt head does not sink too far into the hole, exposing its sharp threads on the other side. As there is not an easy way to exp