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Logan's Complete Guide to Picture Framing
Cutting a Double Mat-Professional Version
Guide Navigation
Introduction to Picture Framing & Matting
Designing Your Picture Frames and Mats
Measuring and Sizing Picture Frames and Mats
Costs of Picture Framing
DIY Picture Frames
Mat Cutting
Mat Cutter Choices
Mat Cutting Help, Troubleshooting and FAQs
Mounting Your Artwork
Glazing with Glass and Plastic
Securing or Fitting your Artwork in a Picture Frame
Finishing Your Artwork


METHOD TWO uses a slightly smaller board for the "undermat"— the small inner border that will show inside the window opening. The undermat is cut while attached to the top mat, allowing the top mat to serve as a template, creating identical parallel borders on both mats.

1. Cut one board 11" x 14" for top mat. Cut one board 10-3/4" x 13-3/4" for undermat. Note: The undermat board is smaller than the top mat so that its edges do not interfere with the top mat during cutting.

2. Put the board for top mat in cutter face down and cut a 2-3/4" border. Save the fallout (the rectangle of board that fell out of the opening.)

3. Apply four strips of double-sided tape to the surface of the undermat board. Attach it to the back side of the top mat.

4. Replace the fallout in the mat, attaching it to the board beneath with a short strip of double-sided tape.

5. Set mat guides or measure and mark a 3" border on the back side of the undermat board.

6. Place the boards in the mat cutter face down and cut the 3" border all the way around.

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