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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: Help! I'm stuck.
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Newsgroups:
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lugnet.cad
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Date:
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Tue, 5 Mar 2002 15:36:16 GMT
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Viewed:
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378 times
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In lugnet.cad, Tore Eriksson wrote:
> I know this must be simple, but I can't figure it out.
> How do I join the white half-cylinder to the yellow pipe, and how do I make
> the edge? I know I've done this before, but now I can't, and nether can I
> find an example. I've tried to rotate the 1-4cyls primitive in all
> directions, but it won't turn out right.
>
> 2 24 0 -14 -4 0 0 -4
> 2 24 0 -14 4 0 0 4
> 1 15 0 -14 0 0 0 -4 0 0 0 4 0 0 2-4edge.dat
> 1 15 0 -14 0 0 0 -4 0 0 0 4 0 0 2-4disc.dat
> 1 15 0 -14 0 0 0 -4 0 10 0 4 0 0 2-4cyli.dat
> 1 15 0 0 0 0 0 0 0 0 -4 4 0 0 2-4ndis.dat
> 4 15 0 -14 -4 0 -14 4 0 -4 4 0 -4 -4
> 1 14 -4 0 0 0 0 0 2 0 0 0 0 2 4-4edge.dat
> 1 14 -4 0 0 0 0 0 4 0 0 0 0 4 4-4edge.dat
> 1 14 -4 0 0 0 8 0 2 0 0 0 0 2 4-4cyli.dat
> 1 14 -4 0 0 0 8 0 4 0 0 0 0 4 4-4cyli.dat
> 1 14 -4 0 0 0 0 0 2 0 0 0 0 2 ring1.dat
Is this what you need?
1 15 0 -4 0 -4 0 0 0 4 0 0 0 -4 1-4cyls.dat
1 15 0 -4 0 -4 0 0 0 4 0 0 0 4 1-4cyls.dat
1 15 0 0 0 -4 0 0 -4 0 0 0 0 4 1-4edge.dat
1 15 0 0 0 -4 0 0 -4 0 0 0 0 -4 1-4edge.dat
To figure out the 1-4cyls, I copied your line...
1 15 0 -14 0 0 0 -4 0 10 0 4 0 0 2-4cyli.dat
...replacing 2-4cyli with 1-4cyls.dat. Then I viewed the model from the
different axes, until I found the view that gave a circular profile to
the sloped edge. After that, it was just a matter of swapping matrix
components and repositioning.
To figure out the edges, I inlined a 1-4cyls line to see the relation
between the components of the vertices. This made it obvious that Y=X
for all points. So I wrote the 1-4edge line that way. L3P doesn't like
it much, but that doesn't mean it's not valid. :)
Steve
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Message has 1 Reply:
 | | Re: Help! I'm stuck. [DAT]
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| (...) Oh, now I feel silly. I never realized there was a special sloped cylinder primitive. I always thought you part guys used a shearing matrix on the ordinary cylinder primitives like this. 1 15 0 -4 0 -4 0 0 -4 4 0 0 0 -4 1-4cyli.dat 1 15 0 -4 0 (...) (22 years ago, 5-Mar-02, to lugnet.cad)
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Message is in Reply To:
| | Help! I'm stuck. [DAT]
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| I know this must be simple, but I can't figure it out. How do I join the white half-cylinder to the yellow pipe, and how do I make the edge? I know I've done this before, but now I can't, and nether can I find an example. I've tried to rotate the (...) (22 years ago, 5-Mar-02, to lugnet.cad)
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