![]() ![]() BrightBlueJim on A Flipping, Perpetually-Rotating Clock.The Commenter Formerly Known As Ren on Why Learn Ancient Tech?.Arya Voronova on Medicine Dosing Spoon Discontinued, Made 3D Printable Instead.Ian on To Turn An ATtiny817 Into A 150MHz Counter, First Throw Out The Spec Sheet. ![]() CRJEEA on Printed Axial Generator Is Turned By Hand.Publish Or Perish: Data Storage And Civilization 102 Comments Translate()color(“blue”)cube(,center=true) So recently i wanted to use a wine bottle as water reservoir for a bird drinker, designed a small adapter to have it stand upside down in a water bowl, this is all that takes: * Metric threads (coarse, fine, and super-fine pitches) M0.25 to M600 In OpenSCAD there is a perfect library for threads: I use OpenSCAD for modelling since i have a “programming mind” and it’s so easy to modify the design by changing parameters. Posted in 3d Printer hacks, how-to Tagged bottle, bottle neck, reverse engineering, thread calculator, threads Post navigation If truly reverse-engineering bottle threads is needed, here’s a method we covered that involves making a simple cast and working from that. If you want to check the adapter out, it’s available on Thingiverse. It turns out that the bottle necks were an SP 28-415 (larger) and a 24-415 (smaller), and with that information the adapter was far simpler to design. By identifying which thread was used on each bottle, the job of modeling a matching adapter was much easier. This all came from wanting to model an adapter to transfer the contents of one bottle to another, smaller bottle. Need some guidance on how exactly to use the information the calculator spits out? There is a handy link to a Fusion360 tutorial on creating bottle threads (YouTube video) to demonstrate. Bottle cap threads - whose industry term is the neck finish - aren’t arbitrary things they are highly standardized, and researched it all so that you don’t have to! The Bottle Cap Thread Calculator takes a few key measurements and spits out everything needed to model exact matches. Do you want to design something to match existing threads on a bottle, or a cap? It turns out there’s an easier way than reaching tiredly for the calipers and channeling one’s inner reverse-engineer. ![]()
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