by ErikJDurwoodII, published
While working on a different project, I needed to make a part that fit to a disposable flask's threaded opening. So I designed the neck of the opening and printed it to check the compatibility with the existing cap. It worked great so I was able to design that project and move along. But I was left with a threaded tube with nothing to do!
The PhLAsk is just a simple hip flash with a threaded cap. I printed it in black PLA at 220 micron layer height, three shells and 20% in-fill.
I filled it with water and left it in a dish overnight and it looks like there is no seeping. The cap doesn't seal 100% but it does so well enough to keep water from dripping out with gravity. A little pressure will cause a seep though. A gasket will fix this.
I have not tested other liquids with different surface tensions but for casual liquid portability, I will be using this little guy!
If you like what I do and want to help me do more, please consider supporting me on my Patreon page! patreon.com/ErikJDurwoodII Thanks!
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glue a rubber strip under the cap and on top of the flask where the flask meets the cap using food safe expoxy. use natural rubber, latex free rubber bands for the seal. Cut and melt the rubber so that it is the perfect size O ring. Enjoy!
i printed 5 so far, they all leak it's leaking under the thread on the plask hmm what could i do to fix this
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Flask goes bottom-up and cap goes top-down!
Use a soft gasket to make the cap seal better.
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