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Measuring and Sizing Picture Frame Mats – Mat Mathematics

MAT MATHEMATICS To determine the opening of the mat, measure the artwork. 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. More of the edges of the artwork may be covered if desired, but the very minimum is 1/8″. Consequently, […]

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