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BUILDING A GDCI
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REVERSE PERISCOPE
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This is a view-only file. Please go to file > make a copy to edit and fill in your measurements.
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Step 1:
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Assemble your materials.
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YOU'LL NEED:
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· several large pieces of cardboard
· two mirrors, each about the size of a piece of paper
· tape (packing or duct tape works great)
· a ruler and cutting utensil
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Step 2:
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Measure your mirrors.
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JUST FILL IN YOUR MIRROR DIMENSIONS HERE (in centimeters):If the mirrors are square, just use the same dimension twice.
We recommend the mirrors' dimensions not be smaller than 10 cm or larger than 35 cm.
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22.5cmx25cm
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(OPTIONAL: CARDBOARD THICKNESS)
0cm
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Step 3:
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Cut out your cardboard pieces.
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BASED ON YOUR MIRRORS' DIMENSIONS, CUT OUT THE FOLLOWING SIZES OF CARDBOARD PANELS:
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FRONT PANEL x1
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SIDE PANEL x2
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16 cm15 cm
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16 cm25 cm
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BACK PANEL x1
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31 cm
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87 cm81 cm
15 cm
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MIRROR x2
40 cm
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22.5 cm63 cm65 cm56 cm
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25 cm
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16 cm
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16 cm
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25 cm
25 cm
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Step 4:
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Score and fold.
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CAREFULLY CUT HALFWAY THROUGH FRONT AND BACK PANELS ALONG THE WHITE LINES, WITHOUT SLICING ALL THE WAY THROUGH.
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FRONT PANEL x1
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15 cm
SIDE PANEL x2
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16 cm15 cm
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(score along white lines)16 cm25 cm
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23 cm
BACK PANEL x1
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31 cm
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87 cm
15 cm
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40 cm81 cm
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MIRROR x2
40 cm
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22.5 cm63 cm65 cm
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49 cm
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25 cm
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23 cm16 cm
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16 cm
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25 cm
25 cm
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Step 5:
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Assemble your reverse periscope.
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FOLD BACK PANEL.
ADD SIDE PANELS, SECURELY TAPING ALONG SEAMS.
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