We have developed our models to use the same 25mm = 1" scale that is used by other companies like Dwarven Forge. As such, our models will work interchangeably with most of their pieces. There is one significant difference between our models and theirs. The walls on our corridor pieces are about one half inch shorter than theirs. We feel that this design is an improvement over the DF line as it allows for better visibility and access to miniatures.
However, as larger areas do not have the same issues with access and visibility, the walls for our rooms models are essentially the same height of the room pieces in the DF line.
(For example: see the images to the right.)