| 摘要 |
An ornamental device is disclosed, including a substantially vertical axis, and a plurality of substantially concentric ring-shaped members. The plurality of ring-shaped members may include a first group of rings having a scalloped outline, at least one ring having a smooth outline, and a second group of rings having a scalloped outline. The plurality of substantially concentric ring-shaped members form vertical planes that are angularly offset from one another and that intersect one another substantially along the vertical axis of the device, giving the device a three-dimensional shape. The device may be adapted to rotate about the vertical axis to present interesting, moving visual effects to an observer.
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