diff --git a/demo/src/main/res/layout/activity_main.xml b/demo/src/main/res/layout/activity_main.xml
index 1dfbb71..70f25eb 100644
--- a/demo/src/main/res/layout/activity_main.xml
+++ b/demo/src/main/res/layout/activity_main.xml
@@ -41,6 +41,7 @@
       app:animatedSvgImageSizeX="400"
       app:animatedSvgImageSizeY="400"
       app:animatedSvgTraceTime="2000"
+      app:animatedSvgTraceMarkerLength="50"
       app:animatedSvgTraceTimePerGlyph="1000"/>
 
   <LinearLayout
diff --git a/library/src/main/java/com/jrummyapps/android/widget/AnimatedSvgView.java b/library/src/main/java/com/jrummyapps/android/widget/AnimatedSvgView.java
index 5bd5baf..ce8706f 100644
--- a/library/src/main/java/com/jrummyapps/android/widget/AnimatedSvgView.java
+++ b/library/src/main/java/com/jrummyapps/android/widget/AnimatedSvgView.java
@@ -67,7 +67,7 @@ private static float constrain(float min, float max, float v) {
   private int mTraceTimePerGlyph = 1000;
   private int mFillStart = 1200;
   private int mFillTime = 1000;
-  private static final int MARKER_LENGTH_DIP = 16;
+  private int mTraceMarkerLength = 16;
   private int[] mTraceResidueColors;
   private int[] mTraceColors;
   private float mViewportWidth;
@@ -108,9 +108,6 @@ private void init(Context context, AttributeSet attrs) {
     mFillPaint.setAntiAlias(true);
     mFillPaint.setStyle(Paint.Style.FILL);
 
-    mMarkerLength =
-        TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, MARKER_LENGTH_DIP, getResources().getDisplayMetrics());
-
     mTraceColors = new int[1];
     mTraceColors[0] = Color.BLACK;
     mTraceResidueColors = new int[1];
@@ -126,6 +123,8 @@ private void init(Context context, AttributeSet attrs) {
       mTraceTimePerGlyph = a.getInt(R.styleable.AnimatedSvgView_animatedSvgTraceTimePerGlyph, 1000);
       mFillStart = a.getInt(R.styleable.AnimatedSvgView_animatedSvgFillStart, 1200);
       mFillTime = a.getInt(R.styleable.AnimatedSvgView_animatedSvgFillTime, 1000);
+      mTraceMarkerLength = a.getInt(R.styleable.AnimatedSvgView_animatedSvgTraceMarkerLength,16);
+      mMarkerLength = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, mTraceMarkerLength, getResources().getDisplayMetrics());
       int glyphStringsId = a.getResourceId(R.styleable.AnimatedSvgView_animatedSvgGlyphStrings, 0);
       int traceResidueColorsId = a.getResourceId(R.styleable.AnimatedSvgView_animatedSvgTraceResidueColors, 0);
       int traceColorsId = a.getResourceId(R.styleable.AnimatedSvgView_animatedSvgTraceColors, 0);
diff --git a/library/src/main/res/values/attrs.xml b/library/src/main/res/values/attrs.xml
index 49a83c2..e4f418a 100644
--- a/library/src/main/res/values/attrs.xml
+++ b/library/src/main/res/values/attrs.xml
@@ -27,6 +27,7 @@
     <attr name="animatedSvgGlyphStrings" format="reference"/>
     <attr name="animatedSvgTraceColors" format="reference"/>
     <attr name="animatedSvgTraceResidueColors" format="reference"/>
+    <attr name="animatedSvgTraceMarkerLength" format="integer"/>
     <attr name="animatedSvgFillColors" format="reference"/>
   </declare-styleable>
 </resources>
\ No newline at end of file