A free Final Cut Pro X transition that slices the outgoing clip into two parts and pulls them apart with a horizontal ribbon that crossfades into a ribbon representing a single column of pixels from the incoming clip. The two parts of the incoming clip then join together on screen.
Uploaded 13 February 2013
Controls

The controls let you select where the split appears: where the ribbon starts and finishes. They default to the horizontal centre of the clips.
In the case of Matt Davis here, a value of 50 splits the clip and creates the ribbon so that his left ear is separated from his head:

If I set the split value to 38, I can set the split to line up with the centre of his face:

Download the free Alex4D Ribbon transition for Final Cut Pro X
Click to download the installer:

This plugin is free to download and use, but if you’d like to show your appreciation for my work, please donate here:

Once installed, you’ll find it in the Alex4D section of the Transitions browser:

If when you try to run the installer you get a message stating it can’t be opened “because it was not downloaded from the Mac App Store” – your Mac OS X security preferences are protecting you. To learn how change this preferenece, or work around this message, visit this post at blog.alex4d.com.