← OLD Measurement Instructions

Mark 30″ from Top on Right Side

By Doug, the Screen Guy | Published October 22, 2010 | Full size is 1536 × 2048 pixels

Measure Bottom Width from Mark to Right Side Measure Right Height from Mark to Bottom

At the right side of the opening, from the top down, measure 30 inches and make a mark.

Repeat on the left side of the opening.

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