Half a croissant, on a plate, with a sign in front of it saying '50c'
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Static Pin Board

Paper holds itself up
  [vote for,

Having been a recent architecture student the one thing that really irritated me was pinning up my work on a pin board. Very rarely did my plans stay on the board through my whole presentation and hippy architect types often ended up with drawing pins in their bare feet.

So what if a large surface could be given a static charge allowing one to easily and magically stick paper to the surface. Surely this is possible? And what fun it would be to stand near the thing with all your bodily hair standing on end!

nevstock, Nov 30 2004

Feltboards http://www.niftycool.com/feltboards1.html
If the plans were printed on blue felt . . . [contracts, Nov 30 2004]

(?) Electret Exactly what is needed here.
[MaxwellBuchanan, Feb 16 2018]

Dielectrophoresis https://en.wikipedi...i/Dielectrophoresis
Mentioned in my anno. How I think HP's Autogrip works. [notexactly, Jun 09 2018]


       This idea would simultaneously stop the use of drawing pins AND give static cling:
Use a *huge* balloon, and rub your head on it before use.
Ling, Nov 30 2004

       static wears off though doesn't it? I'd trust pins more.
po, Nov 30 2004

       //I'd trust pins more//   

       Yep, me too, my legs are fine.
skinflaps, Nov 30 2004

       There are post it notes available in 25"x30" size.
ayt, Nov 30 2004

       HP flatbed pen plotters have this, though they're usually horizontal instead of vertical. It's called Autogrip. Unfortunately, HP no longer makes pen plotters.
notexactly, Feb 16 2018

       What you need is an electret board.
MaxwellBuchanan, Feb 16 2018

       After disassembling my HP 7210A (though without looking at the circuit diagram that is surely available for it), I think the Autogrip feature works dielectrophoretically [link], using an AC voltage applied to interdigitated metal strips on the drawing surface, under a plastic cover sheet.
notexactly, Jun 09 2018


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