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Finding A Non Planar Complex Parting Line
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Bob La Londe  
#1 Posted : Thursday, January 10, 2019 4:26:21 PM(UTC)
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US VC9 2d/3d Pro 64 is there a way to find a complex non planar parting line for making a mold.

Bob La Londe
CNC Molds N Stuff
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Bob La Londe  
#2 Posted : Friday, January 11, 2019 10:52:51 AM(UTC)
Bob La Londe

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Originally Posted by: Bob La Londe Go to Quoted Post
US VC9 2d/3d Pro 64 is there a way to find a complex non planar parting line for making a mold.



It appears that this is not a feature in ViaCad and there does not appear to be a brute force method either. I had thought of, (but not tested) a brute force method using CamBam with STL models. I described my idea (but not yet tested) on the CamBam forum where the user EddyCurrent appears to have modified parts of other plugins to create a plugin to automatically create a non-planar silhouette that might serve as a very substantial starting point for what I hoped to achieve. For those interested in a possible solution to a similar problem you can read about it here: http://www.cambam.co.uk/...m/index.php?topic=7799.0 on the CamBam forums. Please don't be afraid to ask question on the CB forum. The other users are among the most helpful I have found anywhere on any forum.
Bob La Londe
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cad'n'stuff  
#3 Posted : Friday, January 11, 2019 12:11:30 PM(UTC)
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I guess "Silhouette Curve" might do the trick. I'm not shure though, if it's available in Viacad 9.
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Bob La Londe  
#4 Posted : Saturday, January 12, 2019 7:13:07 PM(UTC)
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Originally Posted by: cad' Go to Quoted Post
I guess "Silhouette Curve" might do the trick. I'm not shure though, if it's available in Viacad 9.


Depending on how it works that might interest me in upgrading. Do you know of a demo video of that tool/feature? Do you know what versions it might be available in?



Bob La Londe
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rokoko  
#5 Posted : Sunday, January 13, 2019 12:32:16 AM(UTC)
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here the description in the manual of viacad pro 10:
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viacad pro 10 powerpackpro, viacad pro 9 german, mac
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horst.w  
#6 Posted : Sunday, January 13, 2019 3:35:43 AM(UTC)
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Originally Posted by: cad' Go to Quoted Post
.... if it's available in Viacad 9.



Yes, it is!

horst.w
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Edited by user Sunday, January 13, 2019 3:38:33 AM(UTC)  | Reason: Not specified

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ViaCAD 9 Pro german + ViaCAD 10 Pro & PowerPack + ViaCAD 11, Win7Prof 64 Bit upgraded to Win 10 64 Bit
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thanks 1 user thanked horst.w for this useful post.
Bob La Londe on 1/13/2019(UTC)
Bob La Londe  
#7 Posted : Sunday, January 13, 2019 3:18:28 PM(UTC)
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Interesting. My first test does produce a result. I created a 3D pipe from a 3D spline and produced a silhouette in 3D. I'm not yet certain if its a useful result, but its certainly a step in the right direction.
Bob La Londe
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UGMENTALCASE  
#8 Posted : Monday, January 14, 2019 3:26:07 AM(UTC)
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Is this something you want to do in a 2d plane like the image above, or be able to do it 3d?

As you could copy the face and move it backwards to be central and then use plane cut, or similar to divide the part using the surface?
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murray  
#9 Posted : Wednesday, January 16, 2019 11:30:32 PM(UTC)
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Rail sweeping the faces of the part along two orthogonal rails and intersecting the sweep parts will extract the partition, I think. For solid obects, anyway, I don't think meshes will be cooperative with that.
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