> Creating a Document Without Recording
> To create a ScreenFlow document without recording, start ScreenFlow. When the ScreenFlow recording window displays (Figure 18), click the Close button on the upper left corner. Now, select File > New or press Command-N.
> ScreenFlow displays a dialog which allows you to set your canvas size to any dimension, regardless of your display size.
> Figure 19. Using the New Document Window
> Select a preset canvas size from the Preset popup menu or enter a custom canvas size in the Width and Height fields. Then click the new document icon at the bottom.
> Now, you can record video or work on your project using other media, as you want.