Seamlessly tiling Geometry (Blender Addon)

MattCoccoli

I'm developing a modeling tool in Blender which functions similarly to the Offset filter in Photoshop. The concept is to simplify the creation of seamless modular elements, by offsetting their seam edges into editable space. My current version is simple but functional, please check out the following demonstration:
 https://www.youtube.com/watch?v=mNpRwaQ20H8

The following is what I'm using it for at the moment, there are many other possibilities:

MattCoccoli

Version 1.0 is now available on Blender Market, thanks for looking.