About Displaying Welds
You can control the display of welding features in the graphics window, the Model Tree, the Layer Tree, and in other applications. When working in Welding mode, you can make various selections to modify how and when weld features appear.
This topic discusses the following:
Displaying Features in the Model Tree
Features in assemblies are not visible in the Model Tree by default. You must display them.
On the 
Model Tree toolbar, click 
Tree Filters to open the Tree Filters dialog box. On the General tab, select the 
Features check box, and click OK. The Model Tree expands to include all features, including welding features.
Model Tree toolbar, click Tree Filters to open the Tree Filters dialog box. On the General tab, select the Features check box, and click OK. The Model Tree expands to include all features, including welding features.Displaying Weld Features in the Layer Tree
Set the configuration option def_layers to layer_weld_feat <layername> to display weld features in the Layer Tree. All weld features are automatically included in the layer.
Displaying Welds in the Graphics Window
By default, welds are visible in the graphics window. You can toggle the display of welds off and on.
1. Click > 
Options. The Creo Parametric Options dialog box opens.
Options. The Creo Parametric Options dialog box opens.2. Click Entity Display on the list on the left.
3. Under Welds display settings, select the Show welds check box to display welds, or clear the Show welds check box to remove the display of welds from the graphics window.
When light welds are displayed in applications other than Welding, or when they are exported and appear in 2D and 3D interfaces such as IGES and STEP, they appear as thick lines. The thickness of the light weld line distinguishes it from a regular datum curve.