diff --git a/assets/introduction/cube.png b/assets/introduction/cube.png
index 6fd35ea..81f864f 100644
Binary files a/assets/introduction/cube.png and b/assets/introduction/cube.png differ
diff --git a/src/config.sty b/src/config.sty
index 6222578..58dced7 100644
--- a/src/config.sty
+++ b/src/config.sty
@@ -91,6 +91,11 @@ anchorcolor = blue]{hyperref}
 \definecolor{mycolor8}{RGB}{0,0,0}
 \definecolor{mycolor9}{RGB}{169,169,169}
 
+\definecolor{PalePink}{RGB}{255, 230, 234}
+\definecolor{PalePaleGreen}{RGB}{226, 254, 226}
+\definecolor{PaleLightBlue}{RGB}{222, 239, 245}
+\definecolor{PalePlum}{RGB}{245, 226, 245}
+
 \pgfplotscreateplotcyclelist{mystyle}{%
     {blue},
     {DarkGreen},
diff --git a/src/dash-3d-implementation/js-implementation.tex b/src/dash-3d-implementation/js-implementation.tex
index 799e9ec..7a6fb6e 100644
--- a/src/dash-3d-implementation/js-implementation.tex
+++ b/src/dash-3d-implementation/js-implementation.tex
@@ -24,7 +24,9 @@ A sequence diagram of what happens when downloading, parsing and rendering conte
         \draw[->, color=LightGray] (10, 0.5) -- (10, -17.5);
 
         % MPD
-        \draw[color=blue] (0, 0) -- (2.5, -0.1) -- (10, -1) -- (2.5, -2);
+        \draw[color=blue] (0, 0) -- (2.5, -0.1) -- (10, -0.5);
+        \draw[color=blue, fill=PaleLightBlue] (10, -0.5) -- (10, -1.5) -- (2.5, -2) -- (2.5, -1) -- cycle;
+        \node[color=blue, rotate=5] at (6.25, -1.25) {Download};
         \node[color=blue, above] at(1.25, 0.0) {Ask MPD};
         \draw[color=blue, fill=LightBlue] (2.375, -2) rectangle (2.625, -2.9);
         \node[color=blue, right=0.2cm] at(2.5, -2.45) {Parse MPD};
@@ -40,7 +42,9 @@ A sequence diagram of what happens when downloading, parsing and rendering conte
             \draw[color=red, fill=Pink] (2.375, -0.1) rectangle (2.625, -1);
             \node[color=red, right=0.2cm] at (2.5, -0.55) {Compute utilities};
 
-            \draw[color=red] (2.5, -1) -- (10, -2) -- (2.5, -3);
+            \draw[color=red] (2.5, -1) -- (10, -1.5);
+            \draw[color=red, fill=PalePink] (10, -1.5) -- (10, -2.5) -- (2.5, -3) -- (2.5, -2) -- cycle;
+            \node[color=red, rotate=5] at (6.25, -2.25) {Download};
 
             \draw[color=red, fill=Pink] (2.375, -3) rectangle (2.625, -3.9);
             \node[color=red, right=0.2cm] at(2.5, -3.45) {Parse segment};
@@ -52,14 +56,15 @@ A sequence diagram of what happens when downloading, parsing and rendering conte
 
         % Ask more segments
         \begin{scope}[shift={(0, -8)}]
-
             \draw[color=DarkGreen] (0, 0) -- (2.5, -0.1);
             \node[color=DarkGreen, above] at(1.25, 0.0) {Ask segment};
 
             \draw[color=DarkGreen, fill=PaleGreen] (2.375, -0.1) rectangle (2.625, -1);
             \node[color=DarkGreen, right=0.2cm] at (2.5, -0.55) {Compute utilities};
 
-            \draw[color=DarkGreen] (2.5, -1) -- (10, -2) -- (2.5, -3);
+            \draw[color=DarkGreen] (2.5, -1) -- (10, -1.5);
+            \draw[color=DarkGreen, fill=PalePaleGreen] (10, -1.5) -- (10, -2.5) -- (2.5, -3) -- (2.5, -2) -- cycle;
+            \node[color=DarkGreen, rotate=5] at (6.25, -2.25) {Download};
 
             \draw[color=DarkGreen, fill=PaleGreen] (2.375, -3) rectangle (2.625, -3.9);
             \node[color=DarkGreen, right=0.2cm] at(2.5, -3.45) {Parse segment};
@@ -67,7 +72,6 @@ A sequence diagram of what happens when downloading, parsing and rendering conte
             \draw[color=DarkGreen] (2.5, -3.9) -- (0, -4);
             \draw[color=DarkGreen, fill=PaleGreen] (-0.125, -4.0) rectangle(0.125, -4.5);
             \node[color=DarkGreen, left=0.2cm] at (0.0, -4.25) {Update model};
-
         \end{scope}
 
         % Ask even more segments
@@ -75,16 +79,18 @@ A sequence diagram of what happens when downloading, parsing and rendering conte
             \draw[color=purple] (0, 0) -- (2.5, -0.1);
             \node[color=purple, above] at(1.25, 0.0) {Ask segment};
 
-            \draw[color=purple, fill=Orchid] (2.375, -0.1) rectangle (2.625, -1);
+            \draw[color=purple, fill=Plum] (2.375, -0.1) rectangle (2.625, -1);
             \node[color=purple, right=0.2cm] at (2.5, -0.55) {Compute utilities};
 
-            \draw[color=purple] (2.5, -1) -- (10, -2) -- (2.5, -3);
+            \draw[color=purple] (2.5, -1) -- (10, -1.5);
+            \draw[color=purple, fill=PalePlum] (10, -1.5) -- (10, -2.5) -- (2.5, -3) -- (2.5, -2) -- cycle;
+            \node[color=purple, rotate=5] at (6.25, -2.25) {Download};
 
-            \draw[color=purple, fill=Orchid] (2.375, -3) rectangle (2.625, -3.9);
+            \draw[color=purple, fill=Plum] (2.375, -3) rectangle (2.625, -3.9);
             \node[color=purple, right=0.2cm] at(2.5, -3.45) {Parse segment};
 
             \draw[color=purple] (2.5, -3.9) -- (0, -4);
-            \draw[color=purple, fill=Orchid] (-0.125, -4.0) rectangle(0.125, -4.5);
+            \draw[color=purple, fill=Plum] (-0.125, -4.0) rectangle(0.125, -4.5);
             \node[color=purple, left=0.2cm] at (0.0, -4.25) {Update model};
         \end{scope}