AutoCad 3D :: Extrude Not Creating A Closed 3D Object?
Oct 6, 2011
I am currently working on a playground development for a school project where we have to build a 3D playground based off of autocad drawing, modles, etc.Below is a picture of a "crab see-saw" that I have in my park, and I am having trouble making it 3D. I have tried using "extrude", but, while it streches the drawing into 3D, only the crab's claws become a solid object. The crab's body remains "open".
Crab.jpg -> Normal Drawing
crab2.jpg -> Extruded Drawing
The steps I take to extude it are:
1. Select extrude command
2. Select entire drawing
3. Click top of crab body for designated height
4. Type in 7 (units) as the strech command
5. Press enter
All the lines for the crab body are connecterd and I just can't figure out why it isn't working.
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Nov 20, 2008
I'm trying to model a 3d leadscrew. How can I extrude a 2d closed polyline in a straight line while at the same time twisting it (360° twist for every 1.5" along the path). I've tried loft, sweep, extrude all using the helix as a path. When I can get a result, it ends up being a corkscrew.
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Oct 9, 2012
I am not able to extrude closed polyline shapes. I get the following message:
Cannot create solid from open curve.
Cannot sweep or extrude non-planar objects.
Unable to extrude the selected object.
Other folks have opened my drawing – some can extrude, some get the same or similar message. I’ve tried re-building the shapes to extrude. It worked with one thing this morning and now it won’t extrude again.
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Feb 7, 2012
I am having trouble creating an extrude-cut from an offset ellipse. It seems that when the ellipse is offset, it becomes an associative spline. I need it to remain associative with the original ellipse.
But, when I try to extrude a profile using the new spline, it won't recognize the edge.
I can't just create a new ellipse, as it's profile won't quite match the offset one. I tried tracing over the ellipse with a spline, but it then requires a vast amount of dimensions to constrain it all together.
I'm trying to extrude-cut the red outlined profile (including the elliptical part of course)..
Here is the part. I am working in Inventor 2009.
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Feb 5, 2013
Having trouble extruding 2d object can not extrude on a path! Currently using 2006 version.
I am typing PE then M then J then then it is asking me to enter fuzz distance or [jointtype] <0'-0">: (which was not covered at CU).
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May 11, 2011
I am getting the error message 'Path curve is coplanar with or tangent to the plane of the profile curve.Unable to extrude the selected object.'
when I try an extrude this shape around this rectangular shape below.
extrude.gif
extrude2.gif
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Feb 22, 2011
how to turn text into an object so that i can extrude them and use them as a moldings.
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Jan 4, 2012
I have a series of boxes or polygones that I would like the program to find the 1/2 distance and create two seperate polylines from the one object.
Example:
I have a square with pt1,pt2, pt3 and pt4 respectively. After I have ran the program it would create a diagonal from pt1 to pt3 and join the rest of the lines now to create the one polyline. Also it would do the same to create another exact polygonal shape for the other half. Thus creating two shapes of equal value from one.
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Mar 29, 2012
I've read 2013 is going to include line labeling capabilities by selecting 2 points rather than selecting linework. Is there going to be a way to label an area without creating a closed polyline or parcel, where it works the way a hatch works. So if I selecting in the middle of multiple individual intersecting lines, it labels the area.
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Aug 6, 2012
I am trying to create a closed loop alignment for a track. Previously i have included a small gap between two alignments to get around the problem when a housing plot is created (see the attached dicument) when a closed alignment is created, Is there any way of getting rid of this?
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Oct 4, 2012
I have a closed object and a line outside this object. I want to take anypoint on this polyline as a reference and check whether that point is lying inside the closed object or outside.
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Jan 1, 2014
I am trying to extrude an object in the negative Z direction.
Easy to do at the command line by putting a "-" sign before the distance to extrude the object but I'm having trouble in autolisp.
Define points for polyline for valence
(setq p1v p1)
(setq p2v (polar p1 (DTR 0.0) box_width))
(setq p3v (polar p2v (DTR 90.0) val_thick))
(setq p4v (polar p1V (DTR 90.0) val_thick))
;-- Create valence polyline
;-- Draw the polyline for the valence
(command "pline" p1v p2v p3v p4v "c")
;-- Assign the new part a variable name
(setq cab_valpl (entlast))
THIS IS THE PART I'M TRYING TO FIGURE OUT BELOW ....... WHAT IS THE SYNTAX TO EXTRUDE "VAL_HT" IN THE NEGATIVE DIRECTION?
;-- Extrude the polyline to make the valence
(command "extrude" cab_valpl "" val_ht "0")
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Apr 20, 2011
"Is it possible to animate when to extrude, bevel, etc an object?" if so, how?
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Jan 15, 2012
I have built a polygon mesh of an alien and I would like to cover him in armour plating. To do this I selected various faces and extruded them outwards (see picture).
However I would like to be able to select this extrude as a separate object (because I want to texture it differently later on). Is there any way I can extrude to a separate object?
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Apr 8, 2013
is there any way to align a extrude solid object as per angle reference line?
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Apr 10, 2012
I have used PEDIT to join multiple polylines, which now appear as polylines. But when I use QSELECT to show all open (non-closed) section, one polyline still shows up as open.
I've attached the file I'm working on. The polyline in question is the green outline on the object on the right.
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Jan 7, 2013
i'm applying an extrude modifier to a simple spline shape, and i am accustomed to the extrude modifier generating a solid 3d object in the shape of the spline, if the spline is a closed shape.
however, in this case, the extrude modifier is generating just a 3d outline based on the spline's shape...
i can't figure out why i'm not getting a solid 3d object since the spline is closed (i checked all the vertices).
file is attached (the spline in question is named "upper side section")
daniel_k_sancturary_one07_1.zip
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Jul 19, 2011
I am trying to make 1 object out of 3 closed splines. I am a max user and this command is called Attach inside max. I am presently learning Maya as my new job require the rigging to be done inside Maya and instead of exporting my controllers aswell learn how to do it in Maya...
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Dec 30, 2012
I'm trying to extrude multiple faces, and then get them to rotate along the center of the object so that they can all sort of have the same angle radiating from the center. In the picture, the one on the top Left is my starting point. I would like to rotate those faces, for example, so that they will all be flat (picture on Right which I achieved through vert snapping to grid) but the only results I can produce are the 2 small pictures on the bottom. =(
Is this possible?
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Aug 16, 2011
How do you color the outline of a closed object in different colors in Draw . I have a green triangle which is part of a witches hat....... I have colored the outline in the same green as the fill but I would like to keep the bottom line (curved) black to define it against the hat brim. Is there a way to keep this line black when I make the others green......otherwise I have to draw it in again.
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Sep 27, 2013
i want to have multiple offsetoutlines on a closed or non-closed path. with "offset path" i can make only one additional outline but i need multiple?
i searched all over the net for answers with no success.
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Jul 23, 2012
i have this shape that i can make through a series of of lofts. I would like to be able to create it using one command but i am stumped.
3D corner.dwg
I have tried using the guides command on the spline but it does not like it as I assumed it would not.
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Jul 10, 2012
I have a network of 3d polylines, how can I convert this to a 3d object? In 3ds max I can use a surface modifier to convert it to 3D. Is there a workflow inside of AutoCAD?
3d polyline network.jpg
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Apr 4, 2013
I'm an architecture student, trying to complicate my life a little bit more than required. I'm trying to make the next object in AutoCAD so I could "analyze" the form and its shadows with descriptive geometry later:
I'm pretty new to AutoCAD (I have the 2012 version) but I'm familiar with all the basic stuff since I've had some experience with SolidWorks. What I tried so far was to create a cube as a frame for my spline and then sweeping it with a rectangular shape.
I've been having trouble with the constraints in the intersecting points. I can't figure out the exact shape from the start and it makes it hard for me to play with the form later. I'm also having trouble to actually make it look like a knot.
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Dec 12, 2013
I am creating flat patterns of sheet metal parts and i would like cad to do some calculations for me.
For example when i am creating an object , be it a rectangle or simply a line , i dont want to have to work out my sizes on the calculator then input the size to create the object. I would like cad to do the sum for me by inputting my sum straight into the dimension of the object i am creating. E.g CLick rectangle, select a start point and type 1200-375+37+37+10+10, Then tabbing to do a similar thing for the width
The way i draw flat patterns is to start with the overall size then chop into that shape to create a finished pattern. I also have used Inventor and a software for cnc punching called Cadman. Both of these programs you can do this and what with Inventor also being a creation of autodesk i would have thought this could be done in cad as well.
Is there an add on or a simple command that will let me do this.
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Aug 31, 2012
I have the 3d model of a ship, but it has no surfaces or solids, just lines. I want to create some solids based on those lines.
It's better if i attach the dwg to the post and explain what i want to do:
- in the file attached there are some lines marked with red and blue
- i want to create a solid/3dobject by extruding/lofting the red lines along the blue lines.
In the drawing only a few lines are colored, for better understanding. I tried with loft, but it only creates some surfaces. The point is that i need a solid or a 3d object.
sampla.dwg
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Nov 2, 2012
I have a problem when i create an alignment with Select Object. The Chainage is not coming properly.
And here i attached the Print screen.
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Sep 25, 2012
I am trying to create a Mtext object with an annotative TextStyle. I make the textstyle current (which I don't know if is exactly the same as changing the TextStyleId of the mtext object) and create the MText. The problem which I encounter is that the newly crated MText Object has textheight as the textstyle's paper space text height, instead of scaling the text height by the annotative scale, as when you create the Mtext using Autocad menu.
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Dec 11, 2013
When I create a pdf of a shaded 3D object the pdf shows up with pixelated edges. Is there a way to create a pdf of a shaded 3D object with smooth edges as it appears on screen?
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Aug 6, 2013
How to go about creating a surface, region or 3D object using non-coplanar points? I'm drawing a few different 3D models for an artist friend of mine to use in her proposal on a local public art project.
However for this version I am bottlenecking on how to create these regions. I have vertical(ish) beams of varying height twisting in different directions with sheets of alternating metals welded in-between, the bottoms line up straight with the tops following an S curve but with the twisting geometry the top two endpoints for each will always be in separate planes.
PublicArtModel.dwg
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Nov 12, 2013
I am creating a line using entmake, but I need the start and end point to be variable that was already defined ex.
(entmake '((0 . "LINE")(8 . "FIELD") (10 . line_insert) (11 line_end)))
Command: !line_insert
(29.2813 20.5 0.0)
Command: !line_end
(29.2813 18.5 0.0)
The error I get is
; error: bad DXF group: (10 LINE_INSERT)
What do I do to make it recognize this variable?
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