diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/ControlFlowModelingStage.java b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/ControlFlowModelingStage.java
index 359c677..69383fe 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/ControlFlowModelingStage.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/ControlFlowModelingStage.java
@@ -27,6 +27,12 @@
 	public final int PORT_DIAMETER = 8;
 	public final int PORT_RADIUS = PORT_DIAMETER / 2;
 	
+	public static final int RESOURCE_NODE_WIDTH = 240;
+	public static final int RESOURCE_NODE_HEIGHT = 120;
+	
+	public static final int EVENT_CHANNEL_NODE_WIDTH = 120;
+	public static final int EVENT_CHANNEL_NODE_HEIGHT = 60;
+	
 	private ControlFlowGraph controlFlowGraph = null;
 	
 	public ControlFlowModelingStage(mxGraphComponent graphComponent) {
@@ -133,7 +139,6 @@
 		
 		graph.getModel().beginUpdate();
 		try {
-			// Rootのレイヤー以下のPUSH/PULLレイヤーを削除. 
 			root.remove(root.getChildAt(PULL_FLOW_LAYER));
 			root.remove(root.getChildAt(PUSH_FLOW_LAYER));
 			
@@ -167,8 +172,8 @@
 		
 		for (ResourceNode rootNode : controlFlowGraph.getDataFlowGraph().getRootResourceNodes()) {
 			ResourcePath rootResourcePath = rootNode.getPrimaryResourcePath();
-			int width = 240;
-			int height = 120;
+			int width = RESOURCE_NODE_WIDTH;
+			int height = RESOURCE_NODE_HEIGHT;
 			
 			mxCell insertedCell = (mxCell) graph.insertVertex(layerCell, null, rootResourcePath.getLeafResourceName(), 20, 20, width, height, "shape=ellipse;perimeter=ellipsePerimeter;verticalAlign=top"); // insert a resource as a vertex
 			resourceNodeCells.put(rootNode, insertedCell);
@@ -221,7 +226,7 @@
 		final Map<ChannelNode, mxCell> outputChannelNodeCells = new HashMap<>();
 		
 		for (ChannelNode rootChannelNode : controlFlowGraph.getDataFlowGraph().getRootChannelNodes()) {
-			createEventChannelNodeCell(graph, layerCell, rootChannelNode, channelNodeCells, outputChannelNodeCells, 120, 60);
+			createEventChannelNodeCell(graph, layerCell, rootChannelNode, channelNodeCells, outputChannelNodeCells, EVENT_CHANNEL_NODE_WIDTH, EVENT_CHANNEL_NODE_HEIGHT);
 		}
 		return channelNodeCells;
 	}