Subject:
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Re: Advice please on DATs for bendy-arm holder 2x2 brick
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 10 Apr 2001 21:45:11 GMT
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Viewed:
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799 times
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In lugnet.cad.dev, Steve Bliss writes:
> In lugnet.cad.dev, Chris Dee wrote:
>
> > I am almost ready to post dat file(s) for the 2x2 brick used to hold the
> > bendy-arms in classic space and maxifigs. It is composed of two separate • pieces
> > which clip together (neither of my examples have embossed part numbers).
>
> Do the pieces move or rotate against each other? How are they attached:
> glue, weld, clipping, or something else?
No. Clipping.
> > My question is - should this be a single part with two subparts OR two • separate
> > parts?
>
> LEGO will have considered the components as separate elements, and the
> composite assemblies as more elements. So everything qualifies as a part
> file.
>
> > If two parts should they have a common origin - which will be outside
> > the part boundary for one of them.
>
> Yeah, they should have a common origin.
>
> > Analogies may be drawn with the lattice pillar (2580) and top (2579), and the
> > 2x2 plate turntable base (3680) and top (3679) each modelled separately.
> > Electric motor assemblies have typically used the sub-part approach.
> >
> > The question is complicated by the fact that the top piece (at least) exists • in
> > two visibly distinct versions - one with a round hole and one with just two
> > small slots. I have not yet managed to dismantle my slotted version to see if
> > the lower piece is unchanged.
>
> Do a separate part file for each piece, and then a shortcut (xxxxC01.dat)
> file for the whole thing(s). If the xxxx is the number of the base, you'll
> end up with xxxxC01.dat and xxxxC02.dat, to shortcut to the two variations
> of the top part.
>
> Steve
The composite parts have been posted at
http://news.lugnet.com/cad/dat/parts/?n=2526 and
http://news.lugnet.com/cad/dat/parts/?n=2527
I've also done the proximal bendy-arm part to be used with these holders
http://news.lugnet.com/cad/dat/parts/?n=2528
I'll send the separate parts files to parts@ldraw.org
Chris
Chris
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Message is in Reply To:
 | | Re: Advice please on DATs for bendy-arm holder 2x2 brick
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| (...) Do the pieces move or rotate against each other? How are they attached: glue, weld, clipping, or something else? (...) LEGO will have considered the components as separate elements, and the composite assemblies as more elements. So everything (...) (24 years ago, 28-Mar-01, to lugnet.cad.dev)
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