Subject:
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Re: No mention of scale in file format doc
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Newsgroups:
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lugnet.cad.dev.org.ldraw
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Date:
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Wed, 2 Mar 2005 00:36:13 GMT
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Viewed:
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1211 times
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In lugnet.cad.dev.org.ldraw, Orion Pobursky wrote:
> The strictest definition is 1 LDU equals 1/20 the width
> of a 1x1 brick (whatever that measurement turns out to be).
>
> -Orion
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 defined
by the stud spacings, not in terms of brick width or height.
Well, yes, I'm a scientist, so I probably care way too much
about standards and measures, and it really doesn't matter,
I am fully aware of that, but I spent a fun hour tonight
writing this 1-page scientific paper on the subject:
http://www.itn.liu.se/~stegu/lego/LDUlength.pdf
Stefan
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Message has 1 Reply:
 | | Re: No mention of scale in file format doc
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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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