Subject:
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Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Thu, 11 Dec 2008 21:49:35 GMT
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Viewed:
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10390 times
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On Thu, 11 Dec 2008 20:01:28 GMT, "Philippe Hurbain"
<philohome@free.fr> wrote:
> In lugnet.cad.dat.parts, John Jensen wrote:
> > Has anyone been working on this?
> None I know...
>
> > I used the Peeron partnumber, would that be correct?
> The official way is to ask a number to a LDraw admin. That said there are
> numerous parts on tracker named px... (would be px210c01 here)
>
> > I have determined that the shape of the "body" of the drill is
> > extremely close to 5+(x+3)^(1/1.58), does any primitives exist that
> > are useable for such a curved cone shape? Or is the solution simply to
> > use a series of ring primitives?
>
> Yes you should be able to use stacked cone primitives. As Travis suggested the
> size of the part needs 48\ primitives.
Just to refresh my memory ( I haven't done any parts since 2951) The
48 primitives divide a circle in 48 straight lines, right? That would
for a 60 LDU diameter mean that each straight line is approx 4 LDU's
long, so using coneshapes each 4 LDU long would yield approx the same
resolution lengthwise as diameterwise, right? That's only about 40
cones, so maybe I'll go with 2 LDU.
As for the screwshape, i plan to embed it slightly into the body in
order to avoid "holes". I'll create a program that does the math and
writes the lines for me.
> Good luck with the screw shape, this one is not easy!!! Maybe (but I'm not sure
> how I would do that...) you could use my Pathtruder tool for that
> (http://philohome.com/isecalc/pathtruder.htm)
>
> > The hole in the end is a compination of a peghole and axelhole, has
> > this been done as a subpart?
>
> No. But the axlehole part is not functional here, it would not be a big mistake
> to use a simple peghole.
>
> Philo
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Message has 1 Reply:
 | | Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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| (...) I do not understand correctly what you are saying. If you use a cone primitive you can stretch it in all direction. There is no need to use "about 40 cones". A maximum of 10 should do the same! You should use for this the program "cones and (...) (16 years ago, 12-Dec-08, to lugnet.cad.dat.parts)
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Message is in Reply To:
| | Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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| (...) None I know... (...) The official way is to ask a number to a LDraw admin. That said there are numerous parts on tracker named px... (would be px210c01 here) (...) Yes you should be able to use stacked cone primitives. As Travis suggested the (...) (16 years ago, 11-Dec-08, to lugnet.cad.dat.parts)
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