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Why isn't it possible to pattern a spline?

terry_kuehne236
terry_kuehne236 Posts: 13 ✭✭
in Community Support
I'm trying to remove drawer edges and I'm wanting to do a linear pattern in the sketch. Would this process be better done at the feature level?
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Best Answers

  • terry_kuehne236
    terry_kuehne236 Posts: 13 ✭✭
    Answer ✓
    How do you pattern a feature when you can only pattern parts, it seems.
  • NeilCooke
    NeilCooke Posts: 6,097 image
    Answer ✓
    In the pattern feature, select feature pattern instead of part.
    Senior Director, Technical Services, EMEA

Answers

  • NeilCooke
    NeilCooke Posts: 6,097 image
    Always. 
    Senior Director, Technical Services, EMEA
  • terry_kuehne236
    terry_kuehne236 Posts: 13 ✭✭
    Answer ✓
    How do you pattern a feature when you can only pattern parts, it seems.
  • NeilCooke
    NeilCooke Posts: 6,097 image
    Answer ✓
    In the pattern feature, select feature pattern instead of part.
    Senior Director, Technical Services, EMEA
  • onshaper
    onshaper Posts: 99 ✭✭✭

    linear pattern in sketch doesn't seem to have a feature pattern option (or any options). and yet it cannot linear pattern a spline

  • CADNurd
    CADNurd Posts: 166 ✭✭
    https://forum.onshape.com/discussion/comment/131292#Comment_131292

    I think that's also the case with SolidWorks, so it's probably a Parasolid Kernel limitation. Using '3D Fit Spline' you can convert your spline into a 'curve' and that then can be patterned.

    Unemployed Onshaper - Operating on European time - More of me here ➤➤ https://linktr.ee/Liam.G

  • ry_gb
    ry_gb Posts: 265 PRO

    @CADNurd I would use Composite Curve instead to avoid any issues with approximations from 3D fit spline.

    Ramon Yip | glassboard.com

  • ry_gb
    ry_gb Posts: 265 PRO
    edited June 12

    I'm sad to report that you can pattern style splines in SolidWorks (I checked in 2025). You can also pattern regular splines, but not parametrically.

    Edit: Sad because it means it's not a Parasolid kernel problem.

    Ramon Yip | glassboard.com

  • eric_pesty
    eric_pesty Posts: 2,858 PRO

    You can also pattern the sketch feature itself. Not the sketch pattern tool, the pattern feature (set to "feature") and picking the sketch containing the spline.

  • CADNurd
    CADNurd Posts: 166 ✭✭
    https://forum.onshape.com/discussion/comment/131360#Comment_131360

    Useful. Will try to remember that. Have you always known this workaround, or did you just discover it today? None of the LLMs seem to know about it.

    Unemployed Onshaper - Operating on European time - More of me here ➤➤ https://linktr.ee/Liam.G

  • martin_kopplow
    martin_kopplow Posts: 1,608 PRO

    It works, I've also used that to create brake discs in the past. Many times, creating a solid and then patterning that is the better approach, but there may be times where we don't want that.

    grafik.png

    Don't forget this is a feature pattern. Else it won't let you select a sketch.

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