importing and exporting points are getting .pts extension files from online ... we do airfoil designs with it.... search google airfoil designs patents... and go to patents u ill get x and y co ordinates in it add up z cordinate as 0 fully and save it as .pts extension from .txt extension and then in yo right click on spline or double click on spline u ill get spline editing ur sketch ... their u have a browse option to bring back the .pts so that u ill get the spline perfectly...
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mcadd gokul
cadd centre training services pvt ltd,mylapore, chennai...