CreateExtrudeOperation(IEnumerable<double>, double)
            Creates an "Extrude" operation.
            
Declaration Syntax
public IExtrude CreateExtrudeOperation(IEnumerable<double> dir, double depth)
Parameters
- dir(IEnumerable<double>)
- Direction of the extrusion (x, y, z). 
- depth(double)
- Depth of the extrusion.