dual_sport_dork 🐧🗡️

Progenitor of the Weird Knife Wednesday feature column. Is “column” the right word? Anyway, apparently I also coined the Very Specific Object nomenclature now sporadically used in the 3D printing community. Yeah, that was me. This must be how Cory Doctorow feels all the time these days.

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Joined 1 year ago
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Cake day: July 20th, 2023

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  • My account is so old I have (or had, before they normalized the format) a four digit steam ID. I “owned” Half Life 2 for like four months before it released thanks to getting a code free in the box with my Radeon 9800 Pro back in the day. For a short and glorious flash of time in the summer of 2004, I was guaranteed a copy of the most hotly anticipated game ever, even though nobody could play it yet, and also owned an example of the fastest video card on the planet. Damned if I didn’t mow a fuckton of lawns and reinstall Windows and Outlook an a horde of septuagenarians’ computers to afford that card.

    And no, they do not stop asking about your age.





  • Dem overhangs, tho. Did you print this upside down, with the open end on the print bed? It looks quite good.

    I think PETG is probably a good choice for this application. PLA, especially if it’s thin walled as I suspect it is here, will disintegrate pretty quickly with continued exposure to temperature variations, moisture, and sunlight.

    ABS is infamously pretty vulnerable to UV, also. You could protect it (or any of the others, really) with a coat of paint.



  • I have a diamond nozzle installed already.

    PETG’s issue in this particular application is layer strength, wherein it’s difficult to top PLA except with some semi-exotic and rather hard to print materials like polycarbonate. Both the screws and the blade carrier in my design rely on layer adhesion not failing for durability. Otherwise honestly the parts are all pretty low stress other than I guess potentially the pocket clip.


  • For a short time in total darkness it actually is pretty bright. Obviously my phone’s camera automatically wound the exposure up quite I bit when I took that picture in the dark, though. That was without any special charge-up, just an hour or so of exposure to the largely LED based lighting in my office with it lying face up on my desk.

    This is the Overture brand glow PLA.

    I whacked it with my little Lumintop single AA flashlight last night and left it sitting on my bedstand, and found that it was still quite visibly (albeit dimly) glowing by dawn the next morning.



  • I would say we should just implement it in open source software, anonymously, and let them kick rocks.

    If they want to press the issue they can go after whoever-it-is for their “slice” of the infringing revenue generated, which is zero dollars and zero cents. If they want to shut down a project we can just pack it up and pop up elsewhere under a new one. Fuck 'em.

    It is obviously already possible on a technical level, at least with varying degrees of ease, using modifications to existing tools. Sefan from CNC Kitchen posted a video a while ago where he managed to pull off and test several prints using brick layered perimeters.








  • Shout out to B&H. I bought my drone from them, and they offered the same model bundle at a slightly lower price than Amazon and also offered next-day shipping for no charge.

    They also have a physical retail store and real live people you can call if you have a question, unlike either winding up talking to a chatbot or being redirected to Mumbai after a 45 minute hold.

    I don’t know these guys from a hole in the ground other than that, but they beat Amazon and that was good enough for me.