Sundial layouts, computed & drawn for the cutting machine

Workbench

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I.Place

Decimal degrees or degrees-minutes-seconds (40 42 46 N). South and west are negative. The town list gives centre coordinates; your own site's figures are better. Use the zone's winter (standard) offset.

II.Surface

A level plate on a pedestal, wall-top or the ground.

III.Plate
IV.Gnomon

The nodus is the gnomon's tip; its shadow traces the date curves. Leave the height blank and it is chosen to fit the plate. Give the thickness of the gnomon plate and the morning and afternoon lines are split to suit.

V.Furniture

Drawing…