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arXiv · 1106.1698

The Geometry of Putting on a Planar Surface

Robert D. Grober
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Abstract

This paper explores the geometry of putting in the limiting case of a planar putting surface. Putts equidistant from the hole originating on an arc spanning \pm30 degrees are shown to share a common target point. Moving around the circle of all equidistant putts, the ensemble of target points map out a small, diamond-shaped structure centered on the fall line directly above the hole. The position and size of this target diamond for any length putt on a putting surface of any grade and speed is reasonably approximated by a single universal curve. This understanding suggests a practical methodology for reading putts. Instead of lining up only the putt-at-hand, the golfer should line up all putts known to share a common target point. This methodology will increase the probability of choosing the correct target line.

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Robert D. Grober. 2011-06-09. The Geometry of Putting on a Planar Surface. https://arxiv.org/abs/1106.1698

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