Have you ever imported an AutoCAD drawing into SketchUp Pro and noticed lots of annoying extra lines? If so, you may have polylines with width in your original AutoCAD drawing. SketchUp imports these entities as offset lines, so if you have a polyline with 100mm width, SketchUp will draw two lines 100mm apart. To avoid this, either explode polylines in AutoCAD, or set width to zero as follows:
Select the polylines then key in the following:
pedit enter
w enter
0 enter
This function can actually be put to good use. For example you can draw blockwork walls with a simple polyline of 100mm wide, and SketchUp will import it as a 2D face ready to be Push-Pulled into 3D.
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