https://forums.autodesk.com/t5/civil-3d-forum/surface-contours-not-displaying/m-p/12830900#M15161 <P>Try export Civil 3d drawing from the Output menu.&nbsp; This will convert the contours in your surface into Polylines which you can then open in AutoCAD.</P><P>&nbsp;</P><P>AutoCAD (not Civil 3d) has no ability to change the contour interval.&nbsp; If you save the drawing from Civil 3d and open in AutoCAD, it will show up as a Proxy Object (unless you have the object enabler installed).&nbsp; Copy / Paste isn't something I have tested from Civil 3d to AutoCAD.</P> Mon, 10 Jun 2024 21:29:36 GMT brian.strandberg 2024-06-10T21:29:36Z https://forums.autodesk.com/t5/civil-3d-forum/surface-contours-not-displaying/m-p/12830847#M15160 <P>I have made a TIN surface in C3D with minor contour intervals of 0.5 metres. I have tried to copy and paste into Autocad, but only the 1 metre interval contourd are showing.Is this a setting in Autocad?</P> Mon, 10 Jun 2024 21:00:15 GMT https://forums.autodesk.com/t5/civil-3d-forum/surface-contours-not-displaying/m-p/12830847#M15160 tmccar 2024-06-10T21:00:15Z https://forums.autodesk.com/t5/civil-3d-forum/surface-contours-not-displaying/m-p/12830900#M15161 <P>Try export Civil 3d drawing from the Output menu.&nbsp; This will convert the contours in your surface into Polylines which you can then open in AutoCAD.</P><P>&nbsp;</P><P>AutoCAD (not Civil 3d) has no ability to change the contour interval.&nbsp; If you save the drawing from Civil 3d and open in AutoCAD, it will show up as a Proxy Object (unless you have the object enabler installed).&nbsp; Copy / Paste isn't something I have tested from Civil 3d to AutoCAD.</P> Mon, 10 Jun 2024 21:29:36 GMT https://forums.autodesk.com/t5/civil-3d-forum/surface-contours-not-displaying/m-p/12830900#M15161 brian.strandberg 2024-06-10T21:29:36Z