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
<Guest6> hm, Anycubic calls its Mono X "SLA" printer. anyways, seems we mean the same
<linext> pretty good, i'd set $fn=50 so they look more polished
<linext> Guest6, you can take sample points of the surface and create an function that maps your shape for each (x,y) at a particular (x,y,z)
<linext> teepee, $fn=50 https://i.ibb.co/M19H6Tc/image.png
<linext> you're welcome to add my tic-tac-toe game to the advent calendar too: https://www.3dcustomizer.net/create/customization/86
<teepee> linext: PM incoming....
<teepee> I'm not sure the tic-tac-toe works well for the current calendar as the main idea does need the customizer action
<teepee> maybe we can stash that for next year and try if we can add the WASM stuff to the calendar too
<linext> ok
<JordanBrown[m]> Sadly, concur, needs to be an interesting picture even if you never load it up into OpenSCAD.
<linext> this might be a good one: https://www.3dcustomizer.net/create/customization/96
<linext> what's nice about the random dice on the PC version of OpenSCAD is you can hold down F5 and it's actually rolling the dice
<teepee> yep, that makes it a bit more interesting than just the dice
<teepee> I guess we could add a 3mf too, but I'm not sure anyone would actually use it ;-)
<linext> i also put the bracelet maker up online: https://www.3dcustomizer.net/create/customization/118
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<linext> Guest6, do you want to send me your base 3d model?
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<J221435> saving transparent objects is still broken https://imgur.com/a/5Cq0y0N  ..  having alpha in the png is nice but it is wrong as foreground objects make background transparent
<J221435> second image is how it is displayed, first is the saved image
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<J22> is there a way to prevent restart after hitting  the limit? »WARNING: Normalized tree is growing past 10000000 elements. Aborting normalization.«
<J22> you just can F5 anymore
<J22> can't
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<peeps[zen]> J22: bump the limit by another order of magnitude or two
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<InPhase> J22: If it's not gracefully recovering from that then there is a bug.
<InPhase> But I've heard this before. Do we not already have an issue for that?
<InPhase> It is reasonable that it will fail to produce a result upon hitting that limit. It is not reasonable that the program would fail to keep working properly on following runs.
<peeps[zen]> true that should be a bug though. i just haven't hit the limit in ages, since i bumped it to some absurd value
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<InPhase> Same.
<J22> 10 mio elements seems quite a lot .. happens with a loop of only 50elements (but each element consists of an intersection of cubes and cylinder)
<InPhase> But I also probably don't make normalized trees as out of norm as J22 does. :)
<InPhase> J22: Well that could be one of those combinatoric intersection problems.
<peeps[zen]> yeah that's the exploding terms problem. it can go up to 2^n csg products
<peeps[zen]> use render on your lower level intersections or something
<InPhase> 2^50 is not resolvable by setting the value larger. So it is good to keep the limit.
<InPhase> But, what we should do is have an issue, which we can probably debug by setting the value lower for testing.
<InPhase> If it goes subsequently non-responsive at even small values, then it is pretty obviously a code flaw.
<InPhase> Speculatively it probably just exits out at that point without cleaning something up properly.
<J22> render() solves this ..  but the point is that the program shouldn't get stale
<InPhase> There we go. Existing issue for it.
<J22> great so need to put a bounty on it Ü
<peeps[zen]> I can't reproduce. I went over limit with that paste. then i open a new tab and cube(); previews fine
<peeps[zen]> on nightly
<peeps[zen]> Linux
<J22> win  2022.11.27
<J22> 2022.12.06 fix this or is it just linux
<InPhase> I also cannot reproduce with Linux 2021.01, which came after that issue was opened.
<InPhase> Linux and OpenSCAD 2021.01 I mean
<InPhase> "Normalized tree is growing past 20000000 elements. Aborting normalization."
<InPhase> I apparently have it set very high.
<InPhase> I have it set to 10000000, so I can reproduce the number of elements being reported as twice the set limit
<InPhase> The double count continues to 2022-10-24, but I can proceed to update the design, auto-preview my vim saved file, and F5 preview just fine.
<J22> sounds like the issue  3504 is solved then .. but not for windows
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<InPhase> Well, we'd need at least another data point before we can conclude Windows is the reason.
<InPhase> Because I can't imagine why it should be by OS. There might be an additional setting involved.
<J22> hmm lazy union or fast csg
<J22> hmm nope
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<J22> disabled all experimental settings without a change
<J22> when i use the example from 3504  i have to use a higher nr for the loop but with 15  my system just freeze up
<peeps[zen]> J22: 3504 is originally reported on Manjaro Linux, so it would be good to add a comment that you are also seeing this on windows
<J22> the thing is if i use the example there - it works (maybe my limit is too high) but the result has a low frame rate in preview .. and if i raise the loop my system freezes up
<J22> ok lowering the limit to 5k  also let me get the error
<peeps[zen]> J22: do you have VBO on?
<J22> VBO? is what
<J22> (added a comment)
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<teepee> crystal added, 4 doors to go
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<teepee> I wanted to do something with the fibonacci spiral, but so far that does not really work out, that may have to wait for another year or so
<InPhase> I still want to finish that caterpillar model, but I had a presentation today that pushed a few things into a crunch.
<InPhase> Hopefully finishing that will open up a window to make some progress.
<InPhase> I'm not far from done on that model. Most of the hard work is done already, and I have an abstract remote-controlled caterpillar. I just need to write the motion sequence.
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<J22> teepee nice Disclaimer» not trying to follow nature
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<J22> just tried https://recipe-ai.com   well turns out this is not just for cooking but will make also chemicals
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<needHelpToDrawAd> Hello :)
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<needHelpToDrawAd> Does anyone may help to draw a dog collar to be 3D printed :)
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<InPhase> The hard part is inserting the dog half-way through the print.
<teepee> haha, I hope there are other options too
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