Part Modeling > Engineering Features > Chamfer > Edge Chamfer > To Create an O x O Chamfer
  
To Create an O x O Chamfer
In some cases, a set of rules limits the use of a specific dimension scheme. The system only checks these rules for the first selected reference in each set, and not for each edge in the chain.
1. In the graphics window, select the references from which to create the chamfer. Notice that the chamfer propagates across tangent neighbors until it encounters a break in tangency. However, if you use a One-by-One chain, the chamfer does not propagate across tangent neighbors.
2. On the Model tab, click the arrow next to Chamfer, and click Edge Chamfer. The Edge Chamfer tab opens, and preview geometry is shown. Notice that the selected references are in the References collector on the Sets tab.
3. Click the Sets tab, and select the Offset Surfaces chamfer creation method. Note that this is the default chamfer creation method.
4. Select the O X O dimension scheme from the Dimension Scheme box on the Edge Chamfer tab. You can also select this scheme from the shortcut menu.
5. To define the offset distance, drag the distance handle to the preferred offset distance or snap it to a reference. The system displays the offset distance value in the graphics window and dynamically updates the preview geometry.
 
* You can also type a new value or select a most recently used value in the O box on the Edge Chamfer tab. The same method applies to the distance box in the Distance table (O column) located on the Sets tab.
6. Click to save your changes. The chamfer is created and the Chamfer tool closes.
 
If you are using a chain as a reference and you want to modify it, click Details on the Sets tab and use the Chain dialog box.
To quickly define a distance, double-click the distance value in the graphics window. When the box opens, type a new value and press ENTER, or select a recently-used value from the list.
You can always select Default in a most recently used list to enable the system to determine the value.
As you work in the graphics window, you can use Clear from the shortcut menu to clear all references from the active collector.
To remove a reference from within a collector, select the reference that you want to remove, and with your cursor in the collector, right-click, and choose Remove on the shortcut menu.