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      CommentAuthorTrim
    • CommentTimeFeb 25th 2018
     
    How to get your 3D printer hot - faster (and for free!).

    https://www.youtube.com/watch?v=3U8ymhArTL4&feature=em-subs_digest
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      CommentAuthorTrim
    • CommentTimeFeb 25th 2018
     
    How to make $1000 a month with 3D printing.

    https://www.youtube.com/watch?v=1v5HHak-9-Q&feature=em-subs_digest
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      CommentAuthorTrim
    • CommentTimeFeb 25th 2018
     
    3D Print orientation can matter.

    https://www.youtube.com/watch?v=ISpaQL1iQp8
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      CommentAuthorTrim
    • CommentTimeFeb 25th 2018
     
    Super Tough Carbon Fiber Nylon 3D Printed Planetary Gearbox.

    https://www.youtube.com/watch?v=87_OTqxAqyk
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      CommentAuthorTrim
    • CommentTimeFeb 26th 2018
     
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    • CommentTimeFeb 28th 2018
     
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    • CommentTimeMar 14th 2018 edited
     
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      CommentAuthorTrim
    • CommentTimeMar 24th 2018
     
    3D printed amorphous metal alloys show material promise.

    https://www.theengineer.co.uk/3d-printed-amorphous-metal-alloys/
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      CommentAuthorTrim
    • CommentTimeMar 24th 2018
     
    4d.

    New 4-D printer could reshape the world we live in.

    https://techxplore.com/news/2018-03-d-printer-reshape-world.html
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    That will be good news to the Earth-Cubed Society.
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      CommentAuthorAngus
    • CommentTimeMar 25th 2018
     
    If they can a 4-D printer.
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    Ever played noughts and crosses with OXO cubes?
    • CommentAuthortinker
    • CommentTimeMar 25th 2018 edited
     
    Posted By: AsterixAny suggestions on the best way to drill small holes (<10 mm) in 3d printed polyamide/nylon?

    I've been using half-round bits and slow speed and feed, but is there something better? Traditional twist drills seem to be prone to gumming up and making a mess of things.[/div]


    Try something like these.

    http://www.onsrud.com/xdoc/Plastic-Drilling-Tools
    • CommentAuthorAsterix
    • CommentTimeMar 25th 2018 edited
     
    The problem with drilling 3D printed nylon is that it tends to get rather "stringy" and foul things in short order. You end up with a rough hole that's smaller than the drill used.

    I ended up going with a half-round drill, then cleaning up with a sharp straight reamer run at very low speed and feed.

    It wasn't at all like drilling bulk nylon--the 3D stuff has a structure to its layers that creates its own problems.
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    Here's how the very first textile - felt - may be made.
    https://www.youtube.com/watch?v=jNMs2LSXq70

    Before felt, sewing animal skins together was the only game in clothing.
    This post may help you survive if you happen to be caught in a time vortex and flung back 100,000 years or so.
    • CommentAuthorAsterix
    • CommentTimeMar 27th 2018
     
    I wonder if weaving didn't precede felting. Felt is useful for footwear, but woven fabrics offer warmth for little weight.

    I'll give my golden retriever a good comb-out every couple of weeks and have hand-made yarn from the discarded hair. It's easy and the yarn is is amazingly strong--I could probably make a rope with the stuff that would support my weight.

    I do know of people who have had sweaters knitted from their dog's fur.
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      CommentAuthorTrim
    • CommentTimeApr 27th 2018
     
    3D-printer breakthrough could turn our skin into electronic devices.

    https://www.siliconrepublic.com/machines/3d-printer-skin-electronics
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      CommentAuthorTrim
    • CommentTimeMay 7th 2018
     
    Fluid gel discovery offers major breakthrough in the 3D bioprinting of replacement soft body tissues.

    https://www.nanowerk.com/news2/gadget/newsid=49980.php
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    That's good news, for those who need their soft tissue replaced.
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    Brains are soft