The free Seamless Textures Generator – 2 is a simple but time-saving photoshop action. It generates with just one click a seamless pattern from your picture. If you like, directly into the photoshop pattern palette. Please watch the tutorial from version 1.
Please read the „read_me.txt“ or „install_guide.txt“ for install instructions .
For CC-2014 and newer watch this tutorial: Installation Guide