About this 3D model

This fidget spinner uses two 5/16 inch hex nuts and one 608 ball bearing. I pressed them into place with a vise, but they can go in by hand, just not as easily. NUTS- https://www.amazon.com/Hillman-Group-150015-13-Inch-50-Pack/dp/B000BD6CE4/ref=sr_1_1?ie=UTF8&qid=1489258719&sr=8-1&keywords=1%2F2+in+hex+nut BEARINGS- https://www.amazon.com/Skateboard-Bearings-Double-Shielded-Silver/dp/B002BBGTK6/ref=sr_1_2?ie=UTF8&qid=1488683503&sr=8-2&keywords=608+bearings