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I am considering aluminum sheet, maybe 3/16". or possibly that hard plastic they use in cutting boards.
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Polymetal/Alumapanel/Maxmetal. The sample was sheared rolled and braked by hand. A 6-7ft roller could be improvised with three pipes and skate board bearings.
I learned that a braked angle should be scored on the inside to crush the plastic core, as you can see.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
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