Zenni-Optical-PD-Ruler NEW 5

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Fold along the dotted line.

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5

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USING A FRIEND

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USING A MIRROR

If a credit card fits in this box, your print scale is correct.

For step by step instructions go to z e n n i o p ti c a l . c o m / p r i n t a b l e - p d - r u l e r - d o w n l o a d or scan with your mobile devices camera

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