About this 3D model

Due to the great success of these anti-stress rings, I am adding more. No supports are required. If you need to change the size, set larger percentages. Use a drop of oil for better rotation :) Nozzle-0,25mm Layer height-0,10mm V1: https://makerworld.com/en/models/32472 V3: https://makerworld.com/en/models/36696 V4: https://makerworld.com/en/models/38356