The Move Geometry 
commands, located in the Edit Mode toolbar, let you select and move nodes or elements along a specified axis. Select
the node or element, and then press Tab or click to select the x-, y-, or z-axis option
(located next to the Move Geometry option in the toolbar). The software defaults to the X-Axis.
For example, to move a restraint along a corresponding pipe centerline, select Move Geometry and specify the direction of the axis for the line. Or, if your model includes an expansion loop, select Move Geometry to change the length or depth of the loop in the direction of the specified axis.
After you select an operator, the software keeps it active until you click another
operator. (For example, Move Geometry stays selected until you select Orbit or Pan.)
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To move elements on the 3D model
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Click Move Geometry
to display marker control points at all nodes and tangent points. On bends, the marker
control points display on the far weld-line.
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Click and drag the cursor to select the nodes to move.
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Click any of the selected nodes.
The mouse is in move mode. The mouse movement is clamped to either the x, y, or z axis.
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To change the axis, press Tab or click one of the Axis commands on the Edit Mode toolbar.
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Click to specify the new location.
The model geometry is updates.
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Alternatively, you can type the magnitude of the movement. If you type a single number, the movement is applied to the currently selected axis. You can move in multiple directions at once by typing <x-value>, <y-value>, <z-value>.