cnv.setName("Connector " + shapeId);
cnv.setId(shapeId + 1);
nvSpPr.addNewCNvCxnSpPr();
nvSpPr.addNewNvPr();
CTShapeProperties spPr = ct.addNewSpPr();
CTPresetGeometry2D prst = spPr.addNewPrstGeom();
prst.setPrst(STShapeType.LINE);
prst.addNewAvLst();
CTLineProperties ln = spPr.addNewLn();
return ct;
}