2012

Table Of Contents
The UCS origin (0,0,0) is redefined at the point you specify.
TIP To place the origin with precision, use object snaps or grid snaps, or
enter a specific X,Y,Z coordinate.
To specify a new UCS with three points
1 Right-click the UCS icon, and click 3 Point.
2 Specify a new origin point.
3 Specify a point on the positive X axis of the new UCS.
4 Specify a point on the positive portion of the XY plane of the new UCS.
To rotate the UCS about the X, Y, or Z axis
Right-click the UCS icon, and click Rotate Axis. Click X, Y, or Z.
As you drag the cursor, the UCS rotates in the positive direction around
the specified axis (see Apply the Right-Hand Rule). You can also specify a
rotation angle.
TIP Hover over the grips at the ends of the X, Y, and Z axes to access the rotate
options.
To change the orientation of the Z axis
1 Right-click the UCS icon, and click Z Axis.
2 Specify a point for the new origin (0,0,0).
3 Specify a point that lies on the positive Z axis.
Quick Reference
Commands
UCS
Sets the origin and orientation of the current UCS.
UCSICON
Controls the visibility, placement, appearance, and selectability of the UCS
icon.
Control the User Coordinate System (UCS) | 595