https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10773633#M62680 <P>If you are trying to add a wall using feature lines just off set the top or bottom of wall by 0.05.&nbsp;<a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/3410781">@Jeew-m</a> is correct in that CIVIL3D cannot triangulate perfectly vertical walls but you can give it some triangulation by offsetting the feature line.</P> Mon, 22 Nov 2021 13:51:03 GMT pperales2 2021-11-22T13:51:03Z https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10772648#M62678 <P>I need to make a surface to obtain profile view cuts of this terrain, but i'm currently unable to do it. I tried some workarounds, but the surface went crazy ignoring some points and it didn't look like it should... Any tips?</P> Mon, 22 Nov 2021 03:29:19 GMT https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10772648#M62678 wikeff 2021-11-22T03:29:19Z https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10772676#M62679 <P>You can explode the blocks and add them as poly faces to the surface.</P> <P>However, I think you cannot add vertical walls to surfaces since it is not supported by Civil 3D surfaces.</P> <P>Maybe you can add them as wall breaklines.</P> Mon, 22 Nov 2021 03:59:37 GMT https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10772676#M62679 Jeew-m 2021-11-22T03:59:37Z https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10773633#M62680 <P>If you are trying to add a wall using feature lines just off set the top or bottom of wall by 0.05.&nbsp;<a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/3410781">@Jeew-m</a> is correct in that CIVIL3D cannot triangulate perfectly vertical walls but you can give it some triangulation by offsetting the feature line.</P> Mon, 22 Nov 2021 13:51:03 GMT https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10773633#M62680 pperales2 2021-11-22T13:51:03Z https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10776144#M62681 <P>This worked out perfect, thank you</P> Tue, 23 Nov 2021 12:05:41 GMT https://forums.autodesk.com/t5/civil-3d-forum/not-able-to-create-surface-from-2-blocks/m-p/10776144#M62681 wikeff 2021-11-23T12:05:41Z