Lantern Rings
thingiverse
These are 8 lantern rings depicted in DC comics. Although there is a 9th white lantern ring, I do not know how to recreate it geometrically. The default ring size is 21mm so scale it to your size. The rings in the picture were printed with a MakerBot Replicator 2 with 175mm PLA.
Download Model from thingiverse
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