LSR Arc Rail 3D

LSR arc in 3D

ZERO·ZERO
From ball
Sole above grass
Path
Face
Face to path
SD
Path in 3D SD line Low point X along the target line · Y across · Z height
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Training aid

Fit

From the fit

Low point behind ball
SD (plane aim)
Rise, low point to ball
Set-up hover at P0
Face at P1 / P5

The putter is set up hovering at P0 by the rise plus your clearance, so its sole just clears the grass at the low point on the way back and on the way through. Heights are exaggerated so millimetres are visible; the readouts are true values. Model: a constant-radius circle on a plane tilted from vertical and aimed SD right, face square to the arc. Right-handed view: target to the left from above.