teepee changed the topic of #openscad to: OpenSCAD - The Programmers Solid 3D CAD Modeller | This channel is logged! | Website: http://www.openscad.org/ | FAQ: https://goo.gl/pcT7y3 | Request features / report bugs: https://goo.gl/lj0JRI | Tutorial: https://bit.ly/37P6z0B | Books: https://bit.ly/3xlLcQq | FOSDEM 2020: https://bit.ly/35xZGy6 | Logs: https://bit.ly/32MfbH5
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<Friithian> given the molar mass of air is 28.9647 g/mol, what's the speed
<Friithian> 494.8 m/s (meters per second)
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<JordanBrown[m]> I am very confused.
<JordanBrown[m]> Friithian: ^
<Friithian> https://www.desmos.com/calculator/lydwfowz4s if you wanted it graphed out
<Friithian> no I am not sane
<JordanBrown[m]> Well OK then.
<Friithian> undef
<JordanBrown[m]> Definitely.
<Friithian> https://www.wolframalpha.com/input?key=&i=sqrt%28%283+*+%288.314472+%C3%97+kg*m2%2Fs2*mol*K%29+*+x+%C2%B0C%29%2F28.9647g%2Fmol%29 wolfram alpha reducing the equation
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<teepee> Ok, updated the secret thing with the secret link :)
<InPhase> Do I have access to the secrets? I don't see them.
<InPhase> Oh!
<InPhase> That's a stupid setting.
<InPhase> "View as: Public" was on.
<teepee> oh, that's not very useful in that case :)
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<InPhase> Looks like we have a good start. 10 of 24, and I didn't upload my premade one yet.
<JordanBrown[m]> How do you feel about using unreleased features, and about requiring more than one file? I have one that makes kind of interesting use of the import-svg-by-layer feature.
<InPhase> J1A84: Current secret door 8 is pretty nice. I like that style of procedural generation.
<InPhase> I assume we might shuffle some of these at some point before release if we fill them in fast enough, to spread out the Ulrich ones.
<teepee> all a matter of definition, and extending support of the web stuff
<InPhase> Although the existing set is already very nicely varied.
<teepee> yes, right now it's alphabetic :)
<teepee> like we can add a "needs snapshot version" note
<InPhase> JordanBrown[m]: On principle we tried to minimize unreleased features, but I did use one once on a past calendar, and noted this in the notes with a date from when the build must be after.
<teepee> also right now we still have the CC0 headline, would be nice to keep it, but I would not mind changing that either
<InPhase> JordanBrown[m]: So if it's justified for the design and a compelling usage, go for it. But we should avoid calendar entries that have incidental master-branch-only features like the comma issues, or where things are trivially avoidable with substitutions to release-supported equivalents.
<JordanBrown[m]> Right.
<teepee> yeah, that makes sense
<InPhase> JordanBrown[m]: It was my detailed tree that I put a non-release feature into, because I had to make that change to have rands that worked for procedurally generated animations, discovered while making the tree.
* teepee switches to release version :)
<InPhase> JordanBrown[m]: So if something like that, or something where it would be unreasonably ugly without a release feature.
<InPhase> s/without a release feature/without a non-release feature/
<InPhase> Although, now that I'm thinking it out, a second question is should we permit experimental features. :) Because that's a separate notion.
<JordanBrown[m]> This particular one has three potential issues:
<JordanBrown[m]> 1) It requires an external SVG file.
<JordanBrown[m]> 2) It uses the unreleased import-SVG-by-ID feature.
<JordanBrown[m]> 3) Its copyright status is not entirely clear; the line drawing originates from a craft site that clearly intends you to copy the drawing.
<InPhase> Copyright status needs to be cleared before it can be CC0'd. No way around that one. But perhaps an offline svg to polygon input converter? :)
<JordanBrown[m]> Well, sure, the SVG could be converted to basic OpenSCAD, but technically it wouldn't be nearly as interesting that way.
<InPhase> JordanBrown[m]: Quickest polygon converter, grab your data = render() build and print out.
<JordanBrown[m]> Yeah, but like I said, not nearly as technically interesting.
<InPhase> Ok.
<InPhase> I've had a few "almost calendar worthy" ideas that I couldn't get hammered into the right format.
<InPhase> Maybe that's one of them.
<JordanBrown[m]> We're not being super-ultra-secret, right? Here's the .scad file; I think it's kind of self-explanatory why the technique is interesting: https://bpa.st/VVOA
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<JordanBrown[m]> The SVG file has various areas; the .scad file applies 2.5D to them by name.
<JordanBrown[m]> WRT copyright... looking at the web site's ToS doesn't look good, but again it's a craft site where they are specifically saying "follow these instructions to duplicate this picture". They have a contact address; I'll ask them.
<InPhase> I guess that id thing is not experimental, so that's a plus.
<InPhase> And it's clearly Christmasy.
<JordanBrown[m]> InPhase I know I showed it to you; teepee, do you want to see a screen shot?
<InPhase> I guess if you get copyright clearance that looks like a go to me.
<InPhase> We're already posting .3mf files with the .scad files. We could probably toss in a support .svg there.
<J1A84> that bpa.st  bunny is now or?
<J1A84> new
<InPhase> J1A84: I think that's new.
<InPhase> Asking supakeen (the site owner) about it. :)
<teepee> I remember the image
<teepee> yeah, I did not see much reason to make that filter stuff experimental
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<JordanBrown[m]> I sent the craft-site person a note asking for permission.
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