protected override void SolveInstance(IGH_DataAccess DA) { Glulam gA = null, gB = null; double extension = 10.0; bool normalized = false; if (!DA.GetData <Glulam>("Glulam A", ref gA) || !DA.GetData <Glulam>("Glulam B", ref gB)) { return; } Brep bi = Glulam.GetGlulamBisector(gA, gB, extension, normalized); DA.SetData("Brep", bi); }