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Posts: 18
Registered: ‎02-01-2012
Message 1 of 7 (313 Views)
Accepted Solution

Scribble in 3D

313 Views, 6 Replies
06-19-2013 06:37 AM

I need for a art piece to create a scribble to be 3d printed. I am trying to make 1 irregular line with a perfect tube of 1mm constain diameter.


I tried to loft or sweep with two circle on each end of the "scribble" but no success...


Anyone have an idea how i could give a colume to a 3d spline?


I have attched the itp to give a better idea what i am after.

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Message 2 of 7 (296 Views)

Re: Scribble in 3D

06-19-2013 06:58 AM in reply to: vinzs78

I can't open the file you have attached bit is it something like this?  I drew a spline to start and then I started the work plane command and selected the spline close to the end I wanted to start on and then selected the end of the spline itself to attach the plane.  I created a sketch on theat plane and swept along the path.  Hope this helps.

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Corey Parks
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Message 3 of 7 (282 Views)

Re: Scribble in 3D

06-19-2013 08:44 AM in reply to: vinzs78

I managed to create a plane perpendicular to the start point of the 3D spline and sketch a circle thereupon.  I even managed to pick the 3D spline as the path for the sweep.  The problem comes that a self-intersecting path is not compatible with the sweep tool.  Perhaps multiple non-self-intersecting splines would do the trick?  As a 3D printed item I suspect you'll actually want the wire to intersect itself here and there for structural support.

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Message 4 of 7 (271 Views)

Re: Scribble in 3D

06-19-2013 09:16 AM in reply to: graemev

Inventor 2014 is supposed to allow self-intersecting sweeps


but I could not get it to work with this "scribble".


My suggestion would be to start out with a much simpler scribble, get it working, and  then gradually increase the complexity.


If you are interested in one that doesn't self-intersect (and/or do not have access to Inventor 2014 as a student ) you might try this one


Just ran a test - in 2014 I could have a self-intersecting condition as long as it wasn't "too" much.



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Message 5 of 7 (248 Views)

Re: Scribble in 3D

06-19-2013 12:20 PM in reply to: JDMather

JD, according to a recent post answered by a adesk employee, a sketch can self intersect but a single surface created by that sketch cannot. The example I believe was a spring. If the swept sketch was a circle, it created a single surface that failed. He split the circle into two halves so that the top semicircular half surface intersected with the bottom surface. That allowed the sweep to suceed.

Posts: 115
Registered: ‎06-10-2004
Message 6 of 7 (228 Views)

Re: Scribble in 3D

06-19-2013 05:19 PM in reply to: vinzs78

Hi vinzs78,


Please see my post:  Demystifying Self-intersecting Sweep


Your case belongs to Type 1 mentioned in my post, so this is not allowed in sweep.





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Message 7 of 7 (184 Views)

Re: Scribble in 3D

06-20-2013 09:10 PM in reply to: GlennChun
Fantastic, I downloaded 2014 and it works! I just need to make a scribble that is: less complex and non interscting! thanks for all those answers...i am now re motivated to found the solution to this!

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