Arch RemoveShape/it

Description
This tool attempts at removing the inner cubic shape of an Arch Wall or Arch Structure, and adjusting its properties, making it totally parametric. This tool will only work if the underlying shape is cubic (exactly 6 faces, all corners have only right angles).

How to use

 * 1) Select an Arch Wall or Arch Structure
 * 2) Press the  entry in Arch -> Conversion Tools menu

Scripting
This tool can by used in macros and from the python console by using the following function: takes an arch object (wall or structure) built on a cubic shape, and removes the inner shape, keeping its length, width and height as parameters.