Step 3 of Mariner's compass construction.

 
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Instructions:
Construct a 1 ½" circle in the middle of the figure. (Radius ¾") This is the drafting circle and will determine the width of the rays. (*See below! ) 
 
 
 
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* A general rule is to start with a circle that is approximately ¼ the diameter of the outer circle. A small circle will produce thin rays, a larger fat rays. Remember accuracy in pencil marks and using your tools produces the best finished product. Use light pencil strokes too, some will need to be erased later. 
 

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Mrs. Spraggins' home page. Home page - Mrs. Spraggins' home page 
 
To the finished product. Final product of Mariner's Compass construction.
 
Variations on Mariner's Compass. Variations of Mariner's compass.
 
Ireland tour - visit Ireland following the links on this page.
Mathematical links -other links to many math sites.
 Acknowledgments to the creations of this site. 
 
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