Arch RemoveShape

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Arch RemoveShape.svg Arch RemoveShape

Menu location
Arch → Utilities → Remove Shape
Default shortcut
Introduced in version
See also
Arch SplitMesh, Arch MeshToShape


This tool attempts at removing the inner cubic shape of an Arch Wall.svg Arch Wall or Arch Structure.svg 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).


  1. Select an Arch Wall.svg Arch Wall or Arch Structure.svg Arch Structure
  2. Press the Arch RemoveShape.svg button or use ArchUtilitiesArch RemoveShape.svg Remove Shape from the top menu.


See also: Arch API and FreeCAD Scripting Basics.

This tool can be used in macros and from the Python console by using the following function:

removeShape(objs, mark=True)
  • Takes a list of Arch objects (objs) built on a cubic shape, and removes the inner shape, keeping the length, width and height as properties of the Arch object.
  • If mark is True, objects that cannot be processed by this function will become red.
import FreeCAD, Draft, Arch

Box = FreeCAD.ActiveDocument.addObject("Part::Box", "Box")
Box.Length = 1000
Box.Width = 2000
Box.Height = 1000

Structure = Arch.makeStructure(Box)