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Joram  
#1 Posted : Saturday, October 4, 2014 5:18:55 AM(UTC)
Joram

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Hi, new to ViaCad and just been working through the tutorials.
I have imported a 2D .DXF file that I need to make a 3D model from. I can't extrude any faces in the drawing because the DXF is made up of lots of line and arc segments.
How do I join them so ViaCad will recognise them as faces?
Thanks
Joram
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jdi000  
#2 Posted : Saturday, October 4, 2014 8:14:40 AM(UTC)
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Originally Posted by: Joram Go to Quoted Post
Hi, new to ViaCad and just been working through the tutorials.
I have imported a 2D .DXF file that I need to make a 3D model from. I can't extrude any faces in the drawing because the DXF is made up of lots of line and arc segments.
How do I join them so ViaCad will recognise them as faces?
Thanks
Joram


Hi Joram


You can select all the lines with select chain to select all the lines when prompted from the extrude tool. As long as all the segments are connected with no gaps

Regards
Jason
Windows 11, 10
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rockyroad_us  
#3 Posted : Sunday, October 5, 2014 9:02:05 AM(UTC)
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Originally Posted by: jdi000 Go to Quoted Post
Originally Posted by: Joram Go to Quoted Post
As long as all the segments are connected with no gaps

Regards
Jason


.... and all lines are in the same plane.
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Joram  
#4 Posted : Saturday, October 11, 2014 10:33:08 AM(UTC)
Joram

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"You can select all the lines with select chain to select all the lines when prompted from the extrude tool. As long as all the segments are connected with no gaps"
I've tried to do this but can't get it to work. Is there any chance you could explain in more detail. I haven't had any prompting from the extrude tool (using push/pull- assume that's correct?)
Just to explain further, I am trying to model an electric guitar neck. I have imported a .DXF and I'm trying to extrude the head-stock into 3D. When I select the head-stock geometry it also selects part of the actual neck, which isn't what I want, and a surface for extruding isn't detected.
I'm aware that my trouble may be that I just haven't yet grasped the basics of how ViaCAD works, and perhaps I need to spend more time just learning the basics. I have worked through most of the tutorials that come with the software, and haven't found anything in them that deals with this problem though.
If anyone has any advice or can point me in the direction of any training material I would be grateful.

Many thanks
Joram
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Tim Olson  
#5 Posted : Saturday, October 11, 2014 10:45:23 AM(UTC)
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Hi Joram

If you post a file with just the lines your are extruding, I might be able to make a video.

Tim
Tim Olson
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Joram  
#6 Posted : Monday, October 13, 2014 7:26:50 AM(UTC)
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Hi, please see attached. It's just the peghead I'm trying to extrude at the moment although ultimately I'm trying to make a 3d model of the guitar neck
Thanks
File Attachment(s):
NECK.zip (23kb) downloaded 19 time(s).

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rockyroad_us  
#7 Posted : Monday, October 13, 2014 11:22:44 AM(UTC)
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Originally Posted by: Joram Go to Quoted Post
Hi, please see attached. It's just the peghead I'm trying to extrude at the moment although ultimately I'm trying to make a 3d model of the guitar neck
Thanks


When you do chain select the green is not selected. right there is a flag. When you zoom in you'll see the gap. See picture 2.
rockyroad_us attached the following image(s):
issue1.jpg (111kb) downloaded 13 time(s).
issue2.jpg (37kb) downloaded 15 time(s).

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Tim Olson  
#8 Posted : Tuesday, October 14, 2014 4:33:48 PM(UTC)
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>>I have imported a 2D .DXF file that I need to make a 3D model from. I can't extrude any faces in the drawing

Hi Joram

Below is a video I made showing a potential method to clean up a DXF profile that may have issues. In the video I remove duplicates and repair intersecting curves to get a 3D model.

http://www.csi-concepts.com/Demo/videos/overLaps.mp4

Tim

Edited by user Tuesday, October 14, 2014 4:40:13 PM(UTC)  | Reason: Not specified

Tim Olson
IMSI Design/Encore
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thanks 1 user thanked Tim Olson for this useful post.
Joram on 10/17/2014(UTC)
Joram  
#9 Posted : Friday, October 17, 2014 8:57:20 AM(UTC)
Joram

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Rockyroad, Tim, thanks for your help and for the tutorial.
I have managed to follow your instructions and extrude the peghead, however when I work on the heel end and follow your instructions using the trim tool, it crashes.. every time. What am I doing wrong?
I've attached my working model in case it's any help
Thanks
File Attachment(s):
TELE neck trial.zip (185kb) downloaded 13 time(s).

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Tim Olson  
#10 Posted : Friday, October 17, 2014 9:37:18 AM(UTC)
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Hi Joram

The line seems to trim fine here. I selected Line 54 as the trim to curve and Line 74 as the curve to trim. What build of ViaCAD do you have? Perhaps this is a former bug that has been fixed or I'm not repeating the steps correctly.

Tim
Tim Olson
IMSI Design/Encore
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Joram  
#11 Posted : Monday, October 20, 2014 2:18:13 PM(UTC)
Joram

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I'm using 1104. I've tried this over 20 times now and it still crashes. I'm pausing your video, making sure I'm selecting exactly the same lines as you and performing the same operations before moving onto the next bit.
Also going back to the peghead, I had to do lots of "join curve" operations after I'd deleted overlaying lines as shown in your video, it's odd because you didn't seem to need to do that to get it to extrude.
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Tim Olson  
#12 Posted : Monday, October 20, 2014 8:33:04 PM(UTC)
Tim Olson

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>>I'm using 1104.

Can you update to a newer build using the Help : Current Version option?

Tim
Tim Olson
IMSI Design/Encore
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