| 摘要 |
A balancing holder or stand for a pen or other writing instrument includes a parabolic, paraboloid, or substantially parabolic bottom surface, an outer ring, an upper surface, and, optionally, an upper element extending from the upper surface and a top surface. A writing instrument may be inserted into the stand through an opening to a chamber or reservoir, which in various embodiments can be flat or slanted and may extend straight downward or at an angle downward. In various embodiments, surfaces of the upper surface, upper element, and top surface can be flat, angled, curved, or a combination thereof.
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