Reverse engineering software

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drpadella
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Reverse engineering software

Post by drpadella » Wed Nov 27, 2019 3:47 pm

Hello,
I'm new to this forum.
As shipyard we recently purchased a faro focus s70. We mainly want to use the scanner to create CAD model of ships that
we have to modify (enlarge, extend). FARO scene as software in not so efficent to make a mesh model from point cloud, and
Rhinoceros for reverse engineering is quite tricky.
So we are looking for a software that can make both (3d meshing and reverse engineering).
Geomegic design is an overkill for the shapes we are working with.
Is there a budget software that will do the trick?
Thanks
Andrea

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Re: Reverse engineering software

Post by GCFdesign » Wed Nov 27, 2019 3:52 pm

Regards,

Gary Fellows

Director

GCF Design Limited

https://gcfdesign.wixsite.com/gcfdesign

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Re: Reverse engineering software

Post by drpadella » Wed Nov 27, 2019 4:15 pm

If I'm not wrong CloudCompare is a good solution for meshing a point cloud but can't create CAD surfaces.

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Re: Reverse engineering software

Post by GCFdesign » Wed Nov 27, 2019 4:29 pm

Yes it can.
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Re: Reverse engineering software

Post by GCFdesign » Wed Nov 27, 2019 4:33 pm

You extract your draughting from the mesh.
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Re: Reverse engineering software

Post by mike annear » Wed Nov 27, 2019 9:42 pm

Hi Andrea,
I agree with Gary, CloudCompare is a good solution for meshing, it takes a bit of tweaking but it works well once you have good starting numbers.
The trick is to use the Scalar field to trim the mesh after the Poisson plugin has finished.
Most of the boat builders that I work for use Rhino 3D, it can be tricky, but I find it works very well with pointclouds.
Regards,
Mike Annear.
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Re: Reverse engineering software

Post by drpadella » Thu Nov 28, 2019 4:17 pm

Thanks both for the reply.
I'm now looking into mesh2surface plug-in for Rhino, looks pretty good for the kind of shapes i'm working with.
Any experience with that plug-in?

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Re: Reverse engineering software

Post by mike annear » Thu Nov 28, 2019 11:46 pm

Hi Andrea,
I looked at it some time ago, but it seems to be aimed more at industrial metrology, not larger scale objects that I usually deal with.
Plus I try to avoid working with meshes, I prefer working from the original pointclouds.
I tend to model the old fashioned way, I just extract cross sections manually, then loft those together to create complex surfaces.
Rhino surfacing is based on curve networks, you just have to work out which curves you need from the point cloud.
I have heard T-Splines is the way to go, but Autodesk bought it for "Fusion 360" and it is no longer available for Rhino 3D. Apparently McNeel (Rhino) are working on their own version.

It is a similar scenario to when Bentley bought "Point Tools" and killed it for Rhino 3D users, thankfully Veesus stepped up with a very similar product in "Arena 4D" which is brilliant to use.

EDIT - I have just had a look at "Xirus for Rhino", it looks very similar to T-Spines and pretty reasonably priced.
Regards,
Mike.
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