Macro Overlap



Boolean Overlap constructs a shape that covers the space occupied by no less than 'OverlapIndex' shapes. 'OverlapIndex' is a property that can be modified. Value of 1 gives the result equivalent to Part Union. Value equal to number of shapes makes the tool equivalent to Part Common. Default value is 2, meaning the result will fill space where there is any overlap.

Requires FreeCAD v0.17+ built against OCC no less than 6.9.0 (tested on 7.0.0).

Installation:
download MacroOverlap.py and save it in macro directory:

https://github.com/DeepSOIC/FreeCAD-Macros/raw/master/Overlap/MacroOverlap.py

How to use:

 * 1) Select three* or more shapes to compute overlap between. You can also select a single compound containing the argument shapes.
 * 2) In FreeCAD menu: Macro → Macros... → double-click MacroOverlap.py . A new object will be created.
 * 3) Select the new object, and modify 'Overlap Index' property in property editor (Data tab), if necessary.

* two shapes will do, too, but the action of tool will be equivalent to either Part Common or Part Fuse, and so it is recommended to use Part tools instead.

Script
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MacroOverlap.py