Finally out:
Only for Photoshop from CC-2014 and newer!
From a grayscale heightmap to 3D terrain - all you need is Photoshop
With the 3D Map Generator - Terrain you can easily create a grayscale heightmap and then generate a 3D terrain out of it.
The extensive features of our plugin are real time savers for creatives who want to create professional and high-quality maps in no time. And the best thing is: you don‘t need to be a Photoshop pro!