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Limitations

• Only one repeat() per each split(...) is allowed
• If you removed or renamed an attribute defined with attr() in a rule file, it will be still shown in the Blender GUI.

Coordinate Systems

At the moment there are two types of coordinate systems:

1. Global coordinate system (z-axis is pointing upwards)
2. Shape coordinate system

Let's consider the shape coordinate systems.

Shapes can be 2D or 3D.

The initial edge is defined for each edge. By default it is the first edge (the edge with the index zero).

z-axis of the shape coordinate system can be oriented:

1. along the normal to the 2d shape
2. along z-axis of the global coordinate system

• z-axis of the shape coordinate system is oriented along the normal to the 2d shape:
  x-axis is parallel to the xy plane of the global coordinate system or
  x-axis is oriented along the initial edge

• z-axis of the shape coordinate system is oriented along z-axis of the global coordinate system:
  x-axis lies in the shape plane or
  x-axis is oriented along x-axis of the global coordinate system