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Jun 04, 2023Got a pile of mixed hex nuts? Sort them in no time by printing [jonafriendj]'s nut sorter, which has options for pretty much any nut size you’d be after (it's labeled metric, but actually includes Imperial sizes as well.)
Something to admire about the design is the handy little raised labels on each of the sieves, and the fact that all the parts print entirely without supports. Designing a part to play to a manufacturing method's strengths (and avoid its weaknesses) is good DFM, or Design for Manufacturing.
With 3D printing being the boon that it is to workshops and hobbyists everywhere, it certainly pays to strive for good DFM, especially for designs meant to be shared with others. Sometimes good DFM takes a page from other manufacturing methods like injection molding, and we end up with things like using crush ribs on printed parts.
Want to see a demonstration of [jonafriendj]'s nut sorting design? Check out the short video embedded below the page break. If that leaves you wanting, take a look at a motorized, automated DIY solution.