Optical Top

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Spinning top using old CD/DVD media. I could say something about AOL disk, but I don't want to date myself. Inspired by https://www.thingiverse.com/thing:1337135 by gsyan Printed on my Anet A8, using MatterControl 1.7 and .2 mm layer height, 30% infill, 3 perimeters, 3 top layers, and 3 bottom layers. Domed Base took 59 min to print (34mm x 17mm & 6.16g PLA) Pointed Base took 49 min to print (34mm x 17mm & 3.91g PLA) Stem took 80 min to print (20mm x 40mm & 6.26g PLA) More disks = more mass = longer spin time. I've put up to 6 disks at a time. Stem has shoulder to center on 15mm hole and bases fit into hub ridge on underside of disk. Designed using Fusion360. UPDATE: added a base that holds a marble! A "standard" marble can be 15-17mm, my part is sized for a 16mm marble. Lower friction = longer spin time. With 6 disks I have gotten spins of over a minute and a half. Marble Base took 80 min to print (34mm x 26mm with marble (21mm without) & 7.45g PLA)  

Author:
jmckeand

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