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Old 06-21-2016, 08:22 AM
  #6  
bearisgray
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Join Date: May 2008
Location: MN
Posts: 25,194
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The Sidekick Ruler is based on an equilateral triangle - 60-60-60 degrees.

The Lazy Angle ruler is based on a Square - the B triangle as angles of approximately 63.43, 90.00 and 26.57 degrees.
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