Mini Triple Fidget Spinner

prusaprinters

<p><strong>Required part:</strong>&nbsp;</p><ul><li>608ZZ bearings or any 608 bearing</li><li>M8 screw nut</li></ul><p><br><strong>Bearing dimensions:</strong> 8 * 22 * 7mm<br><strong>Dimensions of the spinner:</strong> I designed the bearing location to be 21.8 mm. This will hold the bearings properly, but will not break them.<br><strong>Dimensions of the knob: </strong>I designed the knob pin to 8.25 mm.&nbsp;</p><p><strong>Bearing preparation</strong></p><p>The bearings I bought needed preparation because they didn’t really spin from the grease.</p><ol><li>Check that the selected bearing rotates, is not clogged, broken bearing balls, etc.</li><li>Soak in alcohol such as isopropyl. for a few hours.</li><li>Remove from alcohol, clean or blow out with a high pressure compressor.</li><li>Pour a little instrument oil on it, turn it a few times and wipe it off.</li></ol><p><strong>Assembly</strong></p><ol><li>Of course, print out the modell. = D</li><li>I used a press to insert the bearings, but it can also be used with a rubber hammer, a smooth, strong flat table, or a vise.</li></ol><p><strong>Comment</strong></p><ul><li>I made it from Petg, but there was a pla that broke several times with the same settings as the others. It happened with one of the 6 types of pla.</li><li>I tested the model with a high pressure compressor and several random drops, and it worked properly.</li></ul><p><strong>Print Settings</strong></p><ul><li><strong>Material: </strong>Petg</li><li><strong>Nozzle:</strong>&nbsp;0.4mm</li><li><strong>Layerheight:</strong>&nbsp;0.2mm</li><li><strong>Supports:</strong>&nbsp; Spinner: None / Knob: Build plate only</li></ul>