It's good to know of the dxf trick. Thanks.
I am breaking down the spline to tiny linear segments and then group them in order to build arcs or lines from them, all according to the desired percision.
It's a mess but very implementable. Sadly I may not share my code but reading the warning I posted here may help :
I had used the formula driven sketch tool for something similar some time ago in an attenpt to help someone trying to smooth a curve. Perhaps it would work for your application: https://forum.solidworks.com/message/123775#123775
Good grief - just noticed the Oct 2008 date! Where's my coffee....
You never know when someone may stumble upon this thread in need of a similar solution.
Cool post by the way.
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