2009

Sketch Coordinate System
When you start a new sketch, the sketch coordinate system is displayed as X
and Y axes of the sketch grid. You can turn on the 3D indicator to display it
at the sketch origin. (Click Tools ➤ Application Options ➤ Sketch tab. In
the Display box, select the Coordinate System Indicator check box.) The default
grid lies on the sketch plane.
You can reposition and change orientation of the sketch coordinate system
to:
■ Change the orientation of dimensions you create.
■ Aid in precise input for sketch geometry.
TRY IT: Reposition the sketch origin in the coordinate system
1 Open a part file. In the browser, click the plus sign in front of a feature
to expand the display.
2 In the expanded feature display, right-click the sketch, and then click
Edit Coordinate System on the menu.
In the graphics window, the axis icon is displayed for the highlighted
sketch.
3 On the axis icon, click the red arrow to realign the X axis, the green arrow
to realign the Y axis, or the blue centroid to relocate the origin.
4 Select one of the following methods to relocate the highlighted axis:
■ A feature vertex to move the coordinate system.
■ A feature edge to rotate the coordinate system.
To flip the axis, right-click and select Flip axis from the menu.
5 Right-click, and then click Done to activate the new coordinate system.
The sketch origin in the coordinate system is repositioned.
Sketch Coordinate System | 23