Here is a quick look at using Visual Styles in AutoCAD 2017 to change the linework to Sketchy.
For more information visit the Help File for AutoCAD 2017:
http://help.autodesk.com/view/ACD/2017/ENU/?guid=GUID-F9113233-6798-4F5C-9A9F-7BA41CFA2533
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Source: Autodesk