Use the Snapping Environment window to specify what part of the feature (vertex, edge, or endpoint) you want your new feature to snap to. By checking boxes in the window, as shown in the graphic below, you enable the snapping property type you want to use.
- Click the 3D Editor drop-down arrow on the 3D Editor toolbar.
- Click Snapping and click Snapping Window.
The Snapping Environment window appears.
- Click the layer and the snap type (vertex, edge, or endpoint) to enable what your new feature to snap to.
The snap types are effective as soon as they are checked.
You can select more than one snap type per layer.