More of the edges of the artwork may be covered if desired but the very minimum is 1 8.
How to measure and cut a mat.
To measure for artwork that is perfectly centered on.
The logan mat cutter i use runs about 50 for the guide and cutting handle.
Subtract 1 2 from the artwork size.
How to cut a double mat on a logan mat cutter.
Before you begin cut your mat board to the size of your frame.
Place the mat board on top of the back of your frame backing and trace around it with a pencil.
Cutting mats come in all sizes so measure the space you work in the most and get one that fits well.
When it comes to measuring for mat cutting and picture framing you can make it easy or difficult.
Mat mathematics to determine the opening of the mat measure the artwork.
Mat cutting kits can be purchased at most art stores and make it easier to measure align and cut mats in a single station but will run you considerably more money.
Place your artwork in the center of the mat to measure the location of the opening.
For example 11 1 2 x 14 1 2 10 1 2 x 13 1 2 for the opening size.
How to cut a double mat on a logan mat cutter.
Typically if you cut 2 3 of your own mats your tools will pay for themselves.
Measure the visual area of the artwork you want to mat.
After tracing cut out the section of mat board using your x acto knife or other sharp blade.
The mat must cover at least 1 8 of the artwork on all sides in order to prevent the edges from peeking through or actually falling through the mat opening.
Measure the reveal area you want around.
Unfortunately many beginning framers make it more difficult than it needs to be by making the mistake of buying the frame first.
Acquire a ruler or t square.
Be sure to get one that is self healing with at least a ruler grid.
Since the size of your artwork is non negotiable locking yourself into a frame size before.