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Old 09-15-2012, 09:19 AM
  #8  
bearisgray
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Join Date: May 2008
Location: MN
Posts: 24,406
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Maybe the attached drawings might help illustrate the difference -

Pretend the lines of the graph paper are the threads of the fabric -

The sizes of the triangles are the same - but the grain lines on the longest edge change
Attached Thumbnails triangles.jpg   triangles2.jpg  
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