import java.util.ArrayList;
import static java.lang.Math.*;
 
protected void init ()
{
        GRSVertex a = new GRSVertex(0, 0, 1.2).(setName("a"));
        GRSVertex b = new GRSVertex(-1, -1, 0).(setName("b"));
        GRSVertex c = new GRSVertex(1, -1, 0).(setName("c"));
        GRSVertex d = new GRSVertex(1, 1, 0).(setName("d"));
        GRSVertex e = new GRSVertex(-1, 1, 0).(setName("e"));
        GRSVertex f = new GRSVertex(0, 0, -1.2).(setName("f"));
        a.getNeighbors() << b << c << d << e;
        b.getNeighbors() << a << e << f << c;
        c.getNeighbors() << a << b << f << d;
        d.getNeighbors() << a << c << f << e;
        e.getNeighbors() << a << d << f << b;
        f.getNeighbors() << e << d << c << b;
[
        Axiom ==> MeshNode.(setPolygons(new GRSMesh ())) [a] [b] [c] [d] [e] [f];
]
}