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Topic Closedcustomized Brep for generating CAD model
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Archaiser View Drop Down
Newbie
Newbie


Joined: 24.May.2012
Location: India
Using: AutoCAD2011, Inventor2013,Pro/3 wildfire4,
Status: Offline
Points: 3 		Direct Link To This Post Topic: customized Brep for generating CAD model
    Posted: 30.Mar.2018 at 23:19
Hi All

I am trying to generate a solid CAD model from a custom surface definition, such as B-splines surfaces. Is there a tool where I can write code to generate my own B-spline surface (from scratch down to every detail), and use that exact surface definition to output a solid CAD model? Similar to something that is obtained in software like NX/Solidworks..

Thanks,
Archak
Impossibility is a concept, possibility is a vision.
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philippe JOSEPH View Drop Down
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Senior Member


Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
Status: Offline
Points: 1426 		Direct Link To This Post Posted: 31.Mar.2018 at 08:43
Hello Archaiser, I don't know if AutoCAD can create "smoothed" solid directly from a custom surface.
Maybe Inventor would be a better choise because it looks like more NX/Solidworks.
More of this AutoCAD doesn't work like the 2 others. 
AutoCAD would be more for common steel work with square/round pipes generated under a hydraulic press along plies than "automotive" smoothed surfaces.
On the other hand you can generate sweeped solid from a surface to an other or by sweeping a surface along a path.
Eventually, see my AutoCAD file  : 3D SOLIDS 01.dwg in the CAD/BIM Blocs library here in the site.
See also The Tip 6606 : How to create AutoCAD geometry from Excel?
Eventually, place here an example of your work for us to help more efficiently.


Edited by philippe JOSEPH - 31.Mar.2018 at 08:44
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Vladimir Michl View Drop Down
Moderator Group
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Arkance Systems CZ

Joined: 26.Jul.2007
Location: Czech Republic
Using: Autodesk software
Status: Offline
Points: 2018 		Direct Link To This Post Posted: 31.Mar.2018 at 12:12
It may be quite difficult to create B-Splines but both AutoCAD and Inventor can do this (via API).

An example of generated 3D objects (meshes):
https://www.cadstudio.cz/en/apps/3dplot/
Vladimir Michl (moderator)
Arkance Systems - arkance-systems.cz - Autodesk reseller
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philippe JOSEPH View Drop Down
Senior Member
Senior Member


Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
Status: Offline
Points: 1426 		Direct Link To This Post Posted: 31.Mar.2018 at 12:38
OK Vladimir, and is it possible to easily create solids from meshes?
In fact I have a complicated 3D object ( my file WORKER 01.dwg in the CAD/BIM Blocks ) that I want to pass to Solidworks and NX but as it's only a mesh ( I supose ) nothing goes to Solid or NX but the helmet that I did in real 3D solid ( and I haven't suceeded in "saving" all my AutoCAD 3D models to NX ). 


Edited by philippe JOSEPH - 31.Mar.2018 at 12:53
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