Bowl.Spliffson Posted March 13, 2009 Share Posted March 13, 2009 Hi, I'm trying to calculate a volume between and existing grade and a proposed grade of a lake bed. I drew the two grades using polylines that I lofted together so that it would give it that 3d surface look. The only problem is I can't seem to attach these surfaces. My original plan was to extrude the contour of the lake and attach the two surface to it, Than slice along the two surface planes. If anybody has any tips or alternative solutions please let me know -Bowl Quote Link to comment Share on other sites More sharing options...
JD Mather Posted March 13, 2009 Share Posted March 13, 2009 See the tutorials in my signature. This question (or something similar) has come up several times this week here on the forum. Extrude beyond the surfaces and Slice with the Surface option. Quote Link to comment Share on other sites More sharing options...
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