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For the production (CNC-milling and waterjet cutting) of several parts I need DWG and DFX-files I have a problem with the exported lines. The exported lines from VW should be (to work properly with the different machines) 'polylines', but sometimes they are 'splines' (see image underneath and the difference between how the curves are drawn). If I convert the splines in Autocad to polylines they get hundreds of extra control points and the different milling/cutting machines aren't able to use those (and the line gets faceted). My workflow: - Draw the model in 3D - extract planar object - change the objects to screen plane - export the selected object to DWG or DFX version 2010 or earlier The odd things is that from different object, but the same file, I get different types of lines in Autocad. Anybody experience with this? Anybody knows how I can export them so i get clean polylines? Attached the different files, if anybody could have a look i would be very happy! (ps I`m not able to attach VW-2017 files on the forum ) export test.dwg export test v2016.vwx