Hi Bob, it's because your object is located up a long ways in Z.
It's ok in x and y and in the top view you only can see x and y values , that's why you can see the grid ok in that view.
But in the other views the 0,0,0 origin point where the grid is centered on is way far off screen downwards.
So you need to move your objects down in Z, you can use the Transform > Move command to do that. Put the base point on the object and then type 0 <enter> for the second point to move it to 0,0,0 . If you're using V5 you can also use "Set XYZ" for the 2nd point to only change the z value and not change x/y values.
- Michael
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