Req: Extruding pipe from elipse to circle X-section

Feb 02, 2004 4 Replies
D

Hi!



Posted this one a few months ago, but didn't get any clear answers:



I'm trying to draw a pipe which tapers along a user defined path, but which starts with eliptical cross section, and finishes with circular cross section, morphing smoothly between the two.



I noticed a previous posting requesting info on a related problem of how to do tapered extrusion of elipses into conoids, but it didn't produce any answers. :-(



Is there any way to do the above using existing AutoCAD2002 tools ? Any LISP routines or affordable 3rd party tools out there that will do the job?



Many thanks in anticipation


Dave


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B

HiHO; The least expensive program that will do a taper-morph is rhino from

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the other is catia and it's expensive and hard to learn. Check out the examples on the rhino site.

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C

Turbocad Pro will do it with ease and is about $200.00 less than Rhino. Others that can do this (on the expensive side) besides Catia are Pro Engineer, Inventor, Solid Works, Solid edge, Alebre Design. I'm sure there are more.

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D

Many Thanks both ! Will check out the packages you suggest. Are there any add-ons to do it directly from AutoCAD without having to buy & learn new software packages ?

Dave

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