I have a style spline that when extruded have sharp coroners inside of a smooth curve

Is there a way to increase its resolution?

  • Note that its not solidworks graphics setting, it does in fact actually 3d print like shown in the picture

enter image description here

When I try to split with an offset line, this happens enter image description here

There is a thin wall that is cut as well, which shows that there is something going


1 Answer 1


Your problem is in your STL export settings - the spline is perfectly smooth mathematically, and there are separate settings for the SW graphic window and STL export which both approximate the curve as a series of straight lines.


  • $\begingroup$ Thanks! I added a photo of what happens if i split it be an offset line, seems like a symptom Any thoughts on this? $\endgroup$
    – Simon
    Jun 6, 2021 at 9:13

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