EyeLike2Cre8 I really like the design of your spinning top! very reduced in shape but it runs really smooth looking at your video. I also tought about spinning tops with unusual design and with steel I reach over 5 minutes, but it is a lot of more mass than your design. https://www.shapeways.com/product/6WYRAQXMW/straw-spinning-top-3-jet?optionId=66560642&li=shop-inventory
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