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How to develop a photo using blueprint paper and Windex

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Develop blueprint paper using Windex.
 
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Step 1: Grab a container

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Order some take-out and rip the lid of the styrofoam container.

Step 2: Fill with Windex

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Pour adequate amount of Windex glass cleaner into container lid.

Step 3: Rack

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Find something that you can set your paper on so it doesn't get wet but still absorbs the Windex fumes.

Step 4: Plastic bag

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Place inside plastic bag so the fumes are contained.

Step 5: Grab a print

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Find a nice black and white photograph that you will use for the contact printing.

Step 6: Diazo paper

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You will need some blueprint diazo paper. I found mine on ebay for six dollars.

Step 7: Stack them

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Place the blueprint paper sensitive side up on a flat surface. Then place the black and white photo face down.

Step 8: Sandwich

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Sandwich with a piece of clear glass.

Step 9: Expose

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Place in DIRECT sunlight for 4 to 5 minutes.

Step 10: Check paper

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After you have exposed for 4 to 5 minutes you should see some discoloration that resembles your image.

Step 11: Develop

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Place paper sensitive side down on the rack in plastic sack for 5 minutes or more. Make sure to close the plastic bag so the fumes stay in.

Step 12: Done

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Enjoy your Windex print.