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I have DEM layer which I am vieving in ArcScene and project the z index to view actual 3D view of the DEM surface.Now i want the grid surrounding this DEM something like Fish net but a 3D having grid in all three axis.

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It's hard to tell what you're looking for or what the output format would be. Could you supply an example or illustration? –  whuber May 30 '13 at 17:32
it sounds like you want to drape the grid onto your dem. this sound correct? –  Brad Nesom May 30 '13 at 19:16
@whuber I need the grid just at the background to show the relative position of grid with x,y and z axis. –  Gunner May 31 '13 at 3:32
@BradNesom not exactly that grid or fishnet should be like box enclosing dem.so we can predict the relative position of dem point from x,y,z axis. –  Gunner May 31 '13 at 3:35
Are you talking about reference grids in the coordinate planes, as in this image? –  whuber May 31 '13 at 8:13

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