The following video will show you the following:
1. Online resources for using Sefaira (bookmark these sites: learn.sefaira.com, support.sefaira.com, apps.sefaira.com)
2. How to correctly model in SketchUp for Sefaira
3. How to use the Sefaira plugin
We've provided a 'getting started' SketchUp file for you to use, which is attached below.