Special:
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[DAT] (requires LDraw-compatible viewer)
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Subject:
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Re: New primitive: Ring 2 Small Hole
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Newsgroups:
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lugnet.cad.dat.parts.primitives
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Date:
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Mon, 18 Mar 2002 22:30:23 GMT
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Viewed:
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1952 times
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In lugnet.cad.dat.parts.primitives, Steve Bliss writes:
> In lugnet.cad.dat.parts.primitives, Ildefonso Junior Zanette writes:
> > this is the ring used in the new kind of stud that can be found in this piece:
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?i=131214
> > http://www.peeron.com/inv/parts/30179
>
> Those don't look like the same piece.
>
> > 0 Ring 2 Small hole
> > 0 Name: ring2a.dat
> > 0 Author: Ildefonso Junior Zanette
> > 0 Unofficial Subpart
>
> There's a problem with this. In LDraw-world, "Ring X" is shorthand for "a
> ring with inner radius = X and outer radius = (X+1)". Your ring has IR=1/3
> and OR=1, right? I don't think there's any way a ring can be constructed so
> that 3*IR = OR *and* IR+1 = OR. But, your ring *can* be constructed from
> two other ring p-files:
I didn't know this. Thanks for explain!
>
> 1 16 0 0 0 0.16667 0 0 0 1 0 0 0 0.16667 ring2.dat
> 1 16 0 0 0 0.33333 0 0 0 1 0 0 0 0.33333 ring2.dat
>
> Which is my recommended way to construct the ring on the part you noted.
I used the ring1 to construct the ring:
1 16 0 0 0 2 0 0 0 1 0 0 0 2 ring1.dat
1 16 0 0 0 2 0 0 0 1 0 0 0 2 ring2.dat
because if I scale down the ring2.dat, the thickness of the border will be
1/2, and adding it with the normal ring2.dat will result a ring with a 1.5
border.
thanks again,
zanette.
0 Stud 2 Small Hole
0 Name: stud9.dat
0 Author: Ildefonso Junior Zanette
0 Unofficial Primitive
1 16 0 0 0 2 0 0 0 1 0 0 0 2 4-4edge.dat
1 16 0 0 0 6 0 0 0 1 0 0 0 6 4-4edge.dat
1 16 0 -4 0 2 0 0 0 1 0 0 0 2 4-4edge.dat
1 16 0 -4 0 6 0 0 0 1 0 0 0 6 4-4edge.dat
1 16 0 -4 0 2 0 0 0 4 0 0 0 2 4-4cyli.dat
1 16 0 -4 0 6 0 0 0 4 0 0 0 6 4-4cyli.dat
1 16 0 -4 0 2 0 0 0 1 0 0 0 2 ring1.dat
1 16 0 -4 0 2 0 0 0 1 0 0 0 2 ring2.dat
0
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