Do you have any info on how to use this feature?
It doesn't make any sense to offset the 3D sketch or spline itself; however, it's ok if a surface is used for ref
What is the point to offset a 3D Spline or Sketch? Can't you just put them in the right place on the first place? My guess is that you are talking about the new warp feature or the new surface offset... both are covered in the What's New SolidWorks 2017 PDF, google it!
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