diff --git a/src/main/java/de/neemann/digital/draw/graphics/Style.java b/src/main/java/de/neemann/digital/draw/graphics/Style.java
index 18b22b821..2dcdcade0 100644
--- a/src/main/java/de/neemann/digital/draw/graphics/Style.java
+++ b/src/main/java/de/neemann/digital/draw/graphics/Style.java
@@ -15,28 +15,33 @@ public class Style {
     public static final Style WIRE_HIGHZ = new Style(2, true, Color.GRAY);
     public static final Style WIRE_OUT = new Style(2, true, Color.RED.darker());
     public static final Style FILLED = new Style(2, true, Color.BLACK);
-    public static final Style THIN = new Style(1, false, Color.BLACK);
-    public static final Style DASH = new Style(1, false, Color.BLACK);
-    public static final Style SHAPE_PIN = new Style(2, false, Color.GRAY, 9);
+    public static final Style DASH = new Style(0, false, Color.BLACK, new float[]{2, 2});
+    public static final Style SHAPE_PIN = new Style(2, false, Color.GRAY, 9, null);
     public static final Style HIGHLIGHT = new Style(2, false, Color.CYAN);
 
     private final int thickness;
     private final boolean filled;
     private final Color color;
     private final int fontsize;
+    private final float[] dash;
     private final Stroke stroke;
     private final Font font;
 
-    public Style(int thickness, boolean filled, Color color) {
-        this(thickness, filled, color, 12);
+    public Style(int thickness, boolean filled, Color color, float[] dash) {
+        this(thickness, filled, color, 12, dash);
     }
 
-    private Style(int thickness, boolean filled, Color color, int fontsize) {
+    public Style(int thickness, boolean filled, Color color) {
+        this(thickness, filled, color, 12, null);
+    }
+
+    private Style(int thickness, boolean filled, Color color, int fontsize, float[] dash) {
         this.thickness = thickness;
         this.filled = filled;
         this.color = color;
         this.fontsize = fontsize;
-        stroke = new BasicStroke(thickness);
+        this.dash = dash;
+        stroke = new BasicStroke(thickness, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_MITER, 10f, dash, 0f);
 
         font = new Font("Arial", Font.PLAIN, fontsize);
     }
@@ -65,6 +70,10 @@ public class Style {
         return font;
     }
 
+    public float[] getDash() {
+        return dash;
+    }
+
     public static Style getWireStyle(ObservableValue value) {
         if (value == null || value.getBits() > 1) return WIRE;
         if (value.isHighZIgnoreBurn()) return WIRE_HIGHZ;
diff --git a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
index ab408afc2..109e92d3c 100644
--- a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
+++ b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
@@ -9,7 +9,6 @@ import de.neemann.digital.draw.elements.Moveable;
 import de.neemann.digital.draw.elements.VisualElement;
 import de.neemann.digital.draw.elements.Wire;
 import de.neemann.digital.draw.graphics.*;
-import de.neemann.digital.draw.graphics.Polygon;
 import de.neemann.digital.draw.library.ElementLibrary;
 import de.neemann.digital.draw.shapes.Drawable;
 import de.neemann.digital.draw.shapes.GenericShape;
@@ -457,12 +456,12 @@ public class CircuitComponent extends JComponent {
         @Override
         public void drawTo(Graphic gr) {
             if (corner1 != null && corner2 != null) {
-                Polygon p = new Polygon(true)
-                        .add(corner1)
-                        .add(new Vector(corner1.x, corner2.y))
-                        .add(corner2)
-                        .add(new Vector(corner2.x, corner1.y));
-                gr.drawPolygon(p, Style.DASH);
+                Vector p1 = new Vector(corner1.x, corner2.y);
+                Vector p2 = new Vector(corner2.x, corner1.y);
+                gr.drawLine(corner1, p1, Style.DASH);
+                gr.drawLine(p1, corner2, Style.DASH);
+                gr.drawLine(corner2, p2, Style.DASH);
+                gr.drawLine(p2, corner1, Style.DASH);
             }
             if (state == State.COPY && elements != null)
                 for (Moveable m : elements)