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Looks like a cutting board but has a hard insert
(thelemmy.club)
I got this as part of an eBay lot of drawing/drafting equipment. It looks like a cutting board but it has a hard insert (feels like a very hard plastic).
Guess you could replace it with resin that had iron fillings added. Not that you need to, but I find the idea interesting.
For those times you want to pin your meat down with a magnet?
I figured it was being used as a drawing surface, so magnets could keep the paper in place.
Fair fair
Oh gosh