The arch, the elipse and the oval.
Last month the guild moved to a new location. It's not much on style, but there is plenty of room.
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The April topic was the layout and construction of ovals. Thornton started with a demonstration of a beam compass.
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Thornton demonstrated the pitfalls of laying out an oval with a pencil and loop of string.
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Alfred demonstrated a much better method using a jig. Two bolts are placed in the beam at A and B. The pencil goes in the beam at C. The distance from A to C will be half the length of the Oval. The distance from B to C will be half the width.
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In this version, the pencil is replaced with a sharp scribe. The layout line is scribed into the surface of the wood.
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Alfred also demonstrated a method for laying out an eliptical arch. Nails are partially driven into the template at the peak and both ends of the arch. The nails define the angle of the layout boards.
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Photos copyright 2003-2009 by George Sinos. All Rights Reserved.
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