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Cheap reflective panel (cardboard and duct tape)

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Picture of Cheap reflective panel (cardboard and duct tape)
In this instructable I will show you how to make a Panel to signal planes, boats, etc. 
 
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Step 1: Materials

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-duct tape
-scissors 
-cardboard
-aluminum foil

Step 2: Cardboard

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Cut your piece of cardboard to 4 inches (10 1/2 centimeters) by 3 1/2 inches (9 centimeters). Now place the cardboard on the foil with the reflective side of the foil down. Then fold it like you see in the pictures. 

Step 3: Duct tape

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 Put duct tape 1/4 inch from the edges of the front of the reflective panel and fold the extra onto the backside. After that cover the back with duct tape.  

Step 4: Done!

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Now you can pack it in your backpack, emergency, kit etc. 
Mihsin1 year ago
I once made a signal mirror out of car side mirror and scratched a pin hole in the middle for sighting the plane.
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