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4.4 Units

The default units for length and angles are meters and degrees respectively. Units may be changed using the following global properties:

Name Values Description
unit_length "m", "cm", "mm" Set the unit length to meters, centimeters or millimeters.
unit_angle "degrees", "radians" Set the unit angle to degrees or radians.

Be warned that the length specfication applies to the include files as well, so choose a unit length early and stick to it.