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This whistle fights fascists | How thousands of 3D-printed whistles are derailing ICE. (www.theverge.com)
submitted 9 months ago by to c/technology@lemmy.world
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[–] 5 points 9 months ago (5 children)

Do you have to prime 3d printed objects? If not, just print the number and like dip into water paint. Ideally you could print a lip with higher numbers so only the top of the numbers get painted

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  • [–] 9 points 9 months ago (3 children)

    Black marker works on most plastic

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  • [–] 13 points 9 months ago (2 children)

    Only issue with black marker on 3d prints specifically is the ink tends to wick around the layer lines. Still works but doesnt look great. Paint markers are usually my goto

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  • [–] 4 points 9 months ago

    If it's bevelled text you can swap filament during print to make it stand out / easy to read.
    Only problem is that you have to baby sit the print, which could slow down production considerably

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