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Not trapezoidal - just a distorted, scanned image from a photo, book or magazine. Other elements in the photo look funny too.
I used to get that with my old HP scanner - squiggly lines that were supposed to be straight.
Cheers,
__________________
Brian
USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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