There are five basic steps to editing S3D in Vegas Pro: synchronization, preview, alignment, grouped editing, and final output.
This tutorial will explain each step in detail

There are five basic steps to editing S3D in Vegas Pro: synchronization, preview, alignment, grouped editing, and final output.
This tutorial will explain each step in detail
Ripple editing sure makes it easy to edit the clips on the timeline, but there are some points you need to look out for.
The script creates new audio and video clips for the timeline section, and adds to them….
Markers and regions serve as reference points along the Vegas® Pro timeline and help arrange events on the timeline. You… Read more Learning Vegas: Using markers, regions, and commands (Tutorial)
Setting project properties
Use the Project Properties dialog to control the default settings and store information about the current project.
From the File menu, choose Properties to display the dialog.
The Compositing Mode button determines how the transparency in a video track is generated.