E. Squaring and Drilling of the "Screen"
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Do-It-Yourself Mask
an economic way to achieve it
E. SQUARING AND DRILLING OF THE "SCREEN"
E. SQUARING AND DRILLING OF THE "SCREEN"
a. Take the plastic strip, fold it in two and insert the sheet of paper into the fold, making it move forward with the straight edge; everything fits into the Screen Form which is folded in two again.
b. Then you cut out, of the sheet of paper and of the strip, what comes out of the contours of the Form.
c. Then the holes are drilled, on the plastic strip and at the same time on the sheet of paper, in correspondence with the holes that are on the Form.
d. At this point, the strip-screen is extracted from the inside of the Form, ready to be used in the assembly of the mask; and is placed on the work surface.
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