Subject:
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Re: New Part: 30149 Car Base 4 x 5 with 2 Seats
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Mon, 24 Apr 2000 14:03:46 GMT
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Viewed:
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643 times
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In lugnet.cad.dat.parts, Bram Lambrecht wrote:
> What's the approved method
> for making the curve from 0 degrees to arctan(32/2) degrees with the correct
> radius?
I'm not sure what you mean by "arctan(32/2) degrees". The arctan() function
doesn't give an angle as a result, does it? Anyway, I don't have one of thoese
pieces handy, so I'm not sure what the curve looks like. If it's less than 1/4
of a circle, I'd use the 1-4edge.dat primitive, shape it to fit correctly
(ignoring the excess) inline it, and remove everything not needed.
> Also, how would I go about creating the section of a flattened
> torus which creates the ribbed parts of the base of the seats? (I hope
> someone understands that question :/
Again, without looking at the piece in question, I'd use one of the cylinder
primitives. Depending on how deep a curve you need, you could use the
1-4cyli.dat, 3-8cyli.dat, or 2-4cyli.dat. Just rotate the primitive onto its
side, turn it so the straight edges are even, and modify the Y components to
flatten the curve.
One example of this approach is the 1x2 log brick, 30136.dat. The sidewalls of
the brick are made out of flattened 1-4cyli.dat pieces.
> Also, one last question: is there any particular order the lines of the
> finished piece should be in?
No, but I'd recommend putting lines and conditional lines before the polygons
which touch them.
Generally, I put lines in the following order. Probably not an entire large
file, but within each section of the part.
1 - lines, conditional lines and edge-only subfile references.
2 - subfiles which contain both lines and surfaces.
3 - polygons and subfiles which contain only surfaces.
Steve
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Message is in Reply To:
 | | New Part: 30149 Car Base 4 x 5 with 2 Seats [DAT]
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| Hi all, I've gotten pretty far on my first part (if you can think of a better name, please tell). However, as this is my firts part, I would like people to critique what I have done so far. The only part I haven't finished is where the seats curve (...) (24 years ago, 21-Apr-00, to lugnet.cad.dat.parts)
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