Measure Tool
Use the Measure tool to display measurements of the edges and faces in your design. Any values displayed on screen are automatically copied into the clipboard and can be pasted into another document.
The Measure tool is accessible in the ribbon and from within the Pull and Move tools. Measurement values are selectable only when the tool is invoked within Pull or Move.
You can select units for measurement in the Discovery Units options. You can also modify the Precision and Angular Precision values in the Measure Tool options.
The document origin is displayed by default. You can hold Alt and select the origin or its axes as reference objects, and the distance in that direction (or all three) is displayed.
If you hold Alt and select an origin, then you will see a preview of the X, Y, and Z distance from the origin. This preview changes as you move your mouse over objects in the Design window. If you hold Alt and select any plane, then the preview shows the distance from the point under the mouse to the plane. If you hold Alt and select a line or axis, then the preview shows the distance from the point under the mouse to the line. Clicking on an object sets the dimensions in the results box.
Negative values are displayed for the results when you select an origin and the measurement is negative in the direction of one or more axes.
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