Method Pyramid

src/examples/csg_primitive.cpp:73–75

		return Node(PRIM_BOX, dx, dy, dz);
	}
	static Node Pyramid(double dx, double dy, double dz) {
		return Node(PRIM_PYRAMID, dx, dy, dz);
	}
	static Node Cylinder(double r, double h) {
		return Node(PRIM_CYLINDER, r, h);
	}