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Export sketches to STEP

Question asked by Alexander Zeitler on Dec 27, 2011
Latest reply on May 31, 2016 by William Radigan

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Hi,

is it possible to export 3D-models containing sketches to STEP AP 214 from SWX so that sketches are visisble?

Alex

Deepak Gupta Dec 27, 2011 5:20 AM

Correct Answer

Click File, Save As.
Select STEP AP203 (*.step) or STEP AP214 (*.step) for Save as type, then click Options.
Select from the output options described below, then click OK.
Click Save to export the document.

Output as

Solid/Surface geometry. Exports the geometry as solids and surface bodies.
3D curves. Exports the solid and surface bodies as wireframe entities. All 3D curves (composite curves, 3D wires, imported curves, and so on) are also saved.
Export sketch entities (available only with 3D curves selected). Exports all the items in 3D curves, plus all 2D and 3D sketches in the document.

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Deepak Gupta Dec 27, 2011 5:20 AM
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Correct Answer
1. Click File, Save As.
2. Select STEP AP203 (*.step) or STEP AP214 (*.step) for Save as type, then click Options.
3. Select from the output options described below, then click OK.
4. Click Save to export the document.
Output as
- Solid/Surface geometry. Exports the geometry as solids and surface bodies.
- 3D curves. Exports the solid and surface bodies as wireframe entities. All 3D curves (composite curves, 3D wires, imported curves, and so on) are also saved.
- Export sketch entities (available only with 3D curves selected). Exports all the items in 3D curves, plus all 2D and 3D sketches in the document.
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- Alexander Zeitler @ Deepak Gupta on Dec 27, 2011 5:52 AM
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  Thanks for your reply.
  
  Do you have a sample for output 3D curves or sketch entities?
  
  Alex
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  - Deepak Gupta @ Alexander Zeitler on Dec 27, 2011 6:50 AM
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    No sorry
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- Brian Jay @ Deepak Gupta on Mar 24, 2016 12:32 PM
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  I have attempted this, but the "Sketch Entities" is greyed out. Opening the resulting step file shows no sketches at all. Only imported solid bodies and surfaces.
  Any further suggestions?
  Thanks!
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  - Deepak Gupta @ Brian Jay on May 28, 2016 3:36 AM
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    Select the Wireframe option to get the sketches. But with this option sketches will be exported and no geometry.
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    - Brian Jay @ Deepak Gupta on Mar 30, 2016 10:46 AM
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      Thank you, but the resulting step file returns an error when SW tries to open it.
      The iges option does not return any points/sketch entities (or point reference geometry) when opened either, despite the options provided when saving.
      I am trying to send hit points to a CMM operator.
      
      Thank you,
      Brian
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      - Deepak Gupta @ Brian Jay on May 28, 2016 3:47 AM
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        Brian, please use these options (per Solution Id: S-065533) and check again
        
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    - William Radigan @ Deepak Gupta on May 26, 2016 9:00 PM
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      Hi Deepak,
      
      This seems like a bug to me. Shouldn't we be able to export some 3D geometry along with selected sketch (2D or 3D) geometry at the same time? I was just trying to do that this evening for a customer and couldn't make it work. I'm wondering if it is just me, or if this is the expected behavior.
      
      -William
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      - Deepak Gupta @ William Radigan on May 28, 2016 3:48 AM
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        William, this seems to be a bug per SPR #: 226061. Try the IGES method as posted above.
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        William Radigan @ Deepak Gupta on May 31, 2016 1:24 PM
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        Hi Deepak . Thanks for the pointer to the STEP file SPR! Given that it was created on 11/5/2008, I'm guessing that it isn't a particularly high-priority.
        
        The IGES method that you pointed out helps a lot, but for times when you don't want to have sketch geometry on top of all of the model edges, be sure to Uncheck the 'Wireframe' option as shown in the image below. The 3D Sketch geometry is still exported, but without the additional geometry. (See edges highlighted in green in the image below.)
        
        For what it's worth, the IGES round-trip produces import warnings (Gaps between faces) that need to be healed with the Import Diagnostics tool. It's issues like this with IGES files that make me prefer STEP models. Do others here have similar experiences with IGES vs STEP?
        
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