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Old 10-17-2014, 07:57 AM
  #22  
Evie
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Join Date: May 2010
Location: Los Angeles
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These are the rulers that Bonnie Hunter used in her Celtic Solstice mystery last year. In her video she explains that the Tri-Recs triangles are odd degrees, so it would be difficult to use our regular rulers.

https://www.youtube.com/watch?v=HQCdh-ZkRAM
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