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It's a neat idea, but you're going to run in to the problem that inevitably a) some kid raised by feral machinists on a diet of scribbled-on napkins is going to take some garbage drawing and still get it dead on, and b) the yahoos mucking it up even with the finest drawings in the land. Still like the idea though.
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Dec 23, 2021 13:29
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Can you properly constrain a NURBS curve though?
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Dec 9, 2022 19:21
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Oh, that's very neat then.
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Dec 10, 2022 02:28
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NewFatMike posted:I mean, just look at the “drawings” people are making. This is based on a file that was designed in Fusion 360. Which is free. And also has free drawings. This feels wrong on so many levels, but unlike AI-generated art I can't just count the fingers to put my finger on why. Someone explain because it haunts me. (Apart from not having any tolerances, actual engineers and people who really ought to know better have a terrible tendency not to specify those.)
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Feb 20, 2023 20:21
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NewFatMike posted:They’re using diameter symbols on radii, there’s no scale (see 6.5mm diameter arcs larger than 7.5mm arcs), the offset of 0.25mm suffers from cosine error, no datums (read: no references in the reference docs), no indication if the 0.5mm tolerance in the top is 0.25mm about the mean, or 0.5mm below the mean is acceptable or if 0.5mm above the mean is acceptable, routine use of “~” which is exactly what tolerances are for, no consistency in decimal places, no indication if whether the bracket it falls into is the baseline or if the thing that sits in it is the baseline, the list goes on! The longer I look at it the worse it gets. oXDemosthenesXo posted:It's because it doesn't actually communicate what it's supposed to in a human readable way. Ahhh, that makes a lot of sense. Thanks for the explanations, it was just so wrong I couldn't process it.
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Feb 20, 2023 21:41
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Oh, so that's why FreeCAD was being weird and fucky. Well, at least one one of the reasons. Between that and the absolutely dreadful UI it's probably time to give Onshape another go, as much as I loathe having everything stored online.
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Mar 7, 2023 21:34
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Apparently if you use FreeCAD in exactly the right & idiosyncratic way you can avoid TPN issues. If you're a reasonable person who feels it's rather absurd to not instead fix the issue so people don't have to contort themselves around glaring flaws in the software you can just go gently caress yourself basically. Which is very typical of open-source software indeed sadly.
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Mar 16, 2023 17:03
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honda whisperer posted:A decent chunk of my current job is This answers questions I never wanted to ask, and makes me want to hit the sauce early. Machining totally isn't precision manufacturing at all, just eyeball it like a fly-by-night builder. That last guy though...
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Jul 7, 2023 14:53
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honda whisperer posted:He never got past the model it stage and was solid at writing programs at the control. Seeing that always throws me for a loop, but yeah, people are human. Still a bit wild to me though, constraining your sketches is such a basic aspect, and one that gets reiterated so many times.
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Jul 13, 2023 11:56
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I got my start in CAD in AutoCAD, got to use Solidworks for a bit, which worked for me except was far too expensive as a hobbyist. I bounced off Fusion because of Autodesk's scumfuckery (which has only gotten worse since, quite the achievement), and suffered through FreeCAD's idiosyncrasies and criminally awful UI for a while until giving Onshape a go because of this thread. I can actually get poo poo done without having to fight an interface designed by sadistic aliens. Actual instruction/documentation is fab too, no longer having to rely on some of the most antagonistic people in open source for information.
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Jul 14, 2023 13:58
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Kaiser Schnitzel posted:
This (and the mandatory connection) has been my main source of reluctance wrt Onshape, and to be honest, the cynical part of me is just waiting for the other shoe to drop and the free version get hobbled. Until that actually happens I'll use it, and if/when it does, we'll figure out what to do then.
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Jul 14, 2023 21:39
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I somehow doubt the simulation package for Onshape has the data for dodgy, expired carbon fibre. Though the finest software in the world is no match for a billionaire's ego & misguided self-confidence.
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Aug 8, 2023 21:56
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Speaking of threads and thread callouts, is there any way to add additional types beyond ANSI & Metric in Onshape? I need to designate a hole to be tapped as Tr 12 x 2 trapezoidal thread, but I can't find how or even if you can do that.
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Oct 12, 2023 15:16
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All I need is the annotation, I wondered if there was something I'd missed somewhere that lets you put those details in the model, but for this admittedly very rare occasion, I'll just do that. Thanks!
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Oct 13, 2023 01:05
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Oh gently caress yes, love me some textile nerd poo poo. Also because the circle from Jacquard looms to 3D designing and printing cams is just delish.
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Dec 19, 2023 14:19
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| # ¿ May 21, 2024 02:07 |
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I know the spec for maximum permissible error on Mitutoyo calipers (digital and vernier) ranges from +/- 0.02 mm to +/- 0.05 mm. Depending on what you're using it for that may not matter at all, or be far too coarse, but it's something to keep in mind.
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Jan 9, 2024 16:21
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