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Posted: **Sun Feb 26, 2023 4:37 pm**

Was surprised when I just created a ruled surface between 2 contour lines. There are very significant variations between the edges of the created surface (blue in the image below) and the contours (white) ... I would have expected the surface to follow the contours much more closely (the only places they seem to coincide are at the contour nodes).

RuledSurf.png (13.7 KiB) Viewed 5025 times

Posted: **Mon Feb 27, 2023 11:49 am**

Looks like this was broken sometime after DataCAD 21. :shock:

Posted: **Mon Feb 27, 2023 12:29 pm**

Thanks for reporting this David. Fixed for the next build. :oops:

Posted: **Tue Apr 04, 2023 5:18 pm**

Fixed for the next build.

Thanks Mark,
It is working properly when I test it in the latest build (22.02.09.01)

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Ruled Surface does not follow defining contour lines

Ruled Surface does not follow defining contour lines

Re: Ruled Surface does not follow defining contour lines

Re: Ruled Surface does not follow defining contour lines

Re: Ruled Surface does not follow defining contour lines