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Connecting all the lines in a 3d drawing (#4681)
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Darth  
#1 Posted : Tuesday, February 19, 2013 10:14:02 AM(UTC)
Darth

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I have a 3d drawing that I want to extrude, but there is no plane to extrude. I assume that the individual lines are not completely connected. Is there a way to insure the connection of all the elements?
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rockyroad_us  
#2 Posted : Tuesday, February 19, 2013 11:01:33 AM(UTC)
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when you extrude, it will tell you whether it is closed or not. In my screen, the gaps flash so I know where the gaps are.
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Jean-Francois Jacques  
#3 Posted : Tuesday, February 19, 2013 11:02:41 AM(UTC)
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First - Check with Select Chain in Edit menu. (select one line then apply Select Chain).

Second - your path must be in a same plane.

..if it's not but your lines is connected, use a Cover Surface Tool then after extrude the surface.
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Darth  
#4 Posted : Tuesday, February 19, 2013 4:19:04 PM(UTC)
Darth

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My object still says gaps are detected when I try to extrude. Yet when I select part of the outline, the whole outline turns red.

Also, I can't find the "move selected Points tool" in the tool palate. I managed to connect all the lines with the Connect Curve and Join Curve tools.
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rockyroad_us  
#5 Posted : Tuesday, February 19, 2013 4:59:40 PM(UTC)
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Try posting the file with the profile. This seems to be the most common problem and it happens to the best of us sometimes.
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Darth  
#6 Posted : Thursday, February 21, 2013 10:51:20 AM(UTC)
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Now this blankety blank program shows my part having the workplane on both sides of the part. See top view and bottom view. I tried a new work plane at 0 everything, I tried moving the part up and down.
File Attachment(s):
Vader 1(3).vc3 (38kb) downloaded 4 time(s).

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rockyroad_us  
#7 Posted : Thursday, February 21, 2013 11:25:56 AM(UTC)
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Something is wrong with your file. There's a solid in there but when I try to dynamic rotate everything disappears from the screen and I can't get it back.

I do see that you moved that solid so much from looking at the explorer. Also, your drafting technique is not to par. I would of thought there would be about 10 or more lines making that shape with fundamental lines and arcs.

I think you traced it and closed the gap with a line.
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rockyroad_us  
#8 Posted : Thursday, February 21, 2013 11:33:17 AM(UTC)
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Here's your problem. The line bisects the other line. The lines need to be connected end to end. Just move the point of the line that extends too much at the end of the other line and you should be good to go.
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problem.jpg (56kb) downloaded 4 time(s).

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Darth  
#9 Posted : Thursday, February 21, 2013 12:41:29 PM(UTC)
Darth

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OK, first of all, I did not trace the file, it was all made up of lines and arcs.
The trouble started when I tried to extrude the drawing.
Let go back to my original problem. I joined all the lines on both the outside of my object and on the cut out, but when I tried to extrude the object, it did the whole thing. Then I tried to extrude the cut out so I could subtract it and it keeps telling me that there are gaps, and yet when I click on it, it all turns red, so I can't find the gaps.

Gee, guys, this is a pretty fundamental part, and yet it is giving me all this grief.:(
File Attachment(s):
Vader 1(2).vc3 (51kb) downloaded 4 time(s).

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rockyroad_us  
#10 Posted : Thursday, February 21, 2013 1:40:03 PM(UTC)
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If you joined the lines and arcs, as you originally drew them, with the join curve command, it turns those lines and arcs into an interpolate spline curve.

If you Zoom all the way in the corners or where the arcs used to be, you'll see your problems.

Use the connect curve command instead to be sure lines connect when possible or the corner trim.

The join curve is more for manipulating a spline curve when drawn from scratch.
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Darth  
#11 Posted : Thursday, February 21, 2013 2:36:22 PM(UTC)
Darth

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Originally Posted by: rockyroad_us Go to Quoted Post
If you joined the lines and arcs, as you originally drew them, with the join curve command, it turns those lines and arcs into an interpolate spline curve.

If you Zoom all the way in the corners or where the arcs used to be, you'll see your problems.

Use the connect curve command instead to be sure lines connect when possible or the corner trim.

The join curve is more for manipulating a spline curve when drawn from scratch.


OK, thanks. Now I have redrawn the object and used the connect curve command but I still get a "curves not planer" or "gaps detected" when I try to extrude.
File Attachment(s):
Vader fixed.vc3 (15kb) downloaded 4 time(s).

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rockyroad_us  
#12 Posted : Thursday, February 21, 2013 3:15:59 PM(UTC)
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This last file didn't give me an error. Select one of the lines in the inner and outer profiles and do a chain select and do extrude. make sure you are not in the workplane as snap as the extrude doesn't work with workplane on.

I did a midplane extrude to do automatically and it works as expected. The cleaned lines helped.
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Darth  
#13 Posted : Thursday, February 21, 2013 3:29:54 PM(UTC)
Darth

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Originally Posted by: rockyroad_us Go to Quoted Post
This last file didn't give me an error. Select one of the lines in the inner and outer profiles and do a chain select and do extrude. make sure you are not in the workplane as snap as the extrude doesn't work with workplane on.

I did a midplane extrude to do automatically and it works as expected. The cleaned lines helped.


OK. The workplane off, did the trick. Strangely, the extrude solid tool still gave me the error of curves not planer, but the Push Pull tool worked as expected. Boy, there are a lot of tricks left to learn, that are not covered in the manual, or any tutorials I have discovered. I feel I have to ask a lot of simple questions as I go along, but it seems the only way to learn this program.

Thank you again for getting me over another hump.
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