• Clear Arrow Cabinet cutting mat
  • 59" x 36"

A cutting mat is NOT a ruler and should not be used for precise measuring.

  • Why? Because of the coefficient of expansion. Basically mats are made of a soft plastic, so they have a greater chance of expanding and contracting in different weather. Rulers are always made of acrylic which has a much, much smaller coefficient of expansion. As a matter of fact the coefficient of expansion on rulers is so small as to be practically non-existent for a quilter’s purpose.

  • You should be using your ruler to measure precisely, and should be using the same ruler throughout the project which is something every top quilt instructor teaches.

  • Mats should be used only for general measuring and for cutting. They should never be used for precise measurements.
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