 | | Re: No mention of scale in file format doc —Orion Pobursky
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| | | (...) Darn copy and paste monster struck again. I've fixed it now. -Orion (20 years ago, 26-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | Re: No mention of scale in file format doc —Ross Crawford
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| | | | (...) Much better! Thanks for that Orion, now I know exactly where to look when I need to remember how many studs per inch ;) ROSCO (20 years ago, 26-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Stefan Gustavson
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| | | | (...) I was wondering about this number in that otherwise very explanatory and very clear figure when I saw it in the Brickfest presentation. I would strongly argue that Lego, being a Danish creation, is in fact metric by design, and that 1 LDU is (...) (20 years ago, 26-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Orion Pobursky
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| | | | | (...) You're probably right. The strictest definition is 1 LDU equals 1/20 the width of a 1x1 brick (whatever that measurement turns out to be). -Orion (20 years ago, 26-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | | Re: No mention of scale in file format doc —Stefan Gustavson
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| | | | | | (...) I beg to differ. The width of a 1x1 brick is not the same as the spacing between two stud centres. Bricks have a small gap between them, whereas studs are very accurately placed on any brick with more than 1 stud. The LDU unit should be (...) (20 years ago, 2-Mar-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | | | Re: No mention of scale in file format doc —Steve Bliss
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| | | | | | (...) No, Orion is correct -- for LDraw. By definition, LDraw parts have no gap. 1-stud-wide bricks are 20 LDU - exactly. We *really* don't want to get into a game of trying model real-world dimensions in great detail. That it, unless someone can (...) (20 years ago, 2-Mar-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | | | Re: No mention of scale in file format doc —Orion Pobursky
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| | | | | | (...) I agree but Stefan gave a compelling argument for 1 LDU = 4 mm so I changed the draft proposal. -Orion (20 years ago, 2-Mar-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | | | Re: No mention of scale in file format doc —Stefan Gustavson
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| | | | | | (...) Thanks! I'll leave that article up indefinitely, in case the subject comes up again. (Funny how my work always comes into my Lego hobby. Or is it the other way around? I can never tell. I guess I'm just a Lego person.) Stefan (20 years ago, 2-Mar-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Steve Bliss
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| | | | (...) Hmm. Where did that figure come from? I've been using 1 LDU = .4mm for quite awhile now... (...) heh. Don't be *too* sure about that, I seem to remember seeing some early evidence about measurements in English units. But it's a vague memory, I (...) (20 years ago, 28-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Willy Tschager
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| | | | | (...) some links about this topic: (URL) I use paul's figures: 1 LDU = 0.015625 inch = 0.396875 mm (20 years ago, 28-Feb-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Stefan Gustavson
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| | | | (...) Well, yes, and no. The bricks are not nearly as precise as the molds, but the dimensional tolerances for parts must certainly be a lot tighter than the difference between 1/64" and 0.4 mm. That difference is almost a full percent, so there is (...) (20 years ago, 2-Mar-05, to lugnet.cad.dev.org.ldraw)
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| | | | | | Re: No mention of scale in file format doc —Steve Bliss
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| | | | (...) Well, far be it from me to argue with Science. ;) Steve (20 years ago, 4-Mar-05, to lugnet.cad.dev.org.ldraw)
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