diff --git a/handout/diagrams/diagramm_occlusion.tex b/handout/diagrams/diagramm_occlusion.tex
index 3b303e3..e996d5f 100644
--- a/handout/diagrams/diagramm_occlusion.tex
+++ b/handout/diagrams/diagramm_occlusion.tex
@@ -5,9 +5,9 @@
     \foreach \x in {0,...,\raynum} {
         \ifthenelse{\x < 10 \OR \x>50}
         {
-            \draw[color = blue] (\x /\raynum * 6 ,0) -- (3,4);
+            \draw[color = darkgray] (\x /\raynum * 6 ,0) -- (3,4);
         }{
-            \draw[color = green] (\x /\raynum * 6 ,0) -- (3,4);
+            \draw[color = cyan] (\x /\raynum * 6 ,0) -- (3,4);
  
         }
     }
@@ -17,8 +17,8 @@
     ] (1.49,1) -- (4.51,1) -- (5.01,0) -- (0.99,0) -- cycle;
 
 
-    \draw [color=blue] (0,0) -- node[below]{wall} (6,0) ; % wall
-    \draw [color=green](1.5,1) -- node[below]{blocker} (4.5,1); %blocker
+    \draw [color=darkgray] (0,0) -- node[below]{wall} (6,0) ; % wall
+    \draw [color=cyan](1.5,1) -- node[below]{blocker} (4.5,1); %blocker
 
     %cam
     \node[
@@ -37,26 +37,26 @@
 
 
     \fill[
-        green
-    ] (7,2) -- (9,2) -- (9,1.7) -- (7,1.7) -- cycle; 
+        cyan
+    ] (5,3) -- (6.7,3) -- (6.7,3.3) -- (5,3.3) -- cycle; 
 
-    \draw[blue] (10,1) coordinate (blue_ray_isec) -- (7,4) coordinate (orig);
-    \draw[green] (8.7,2) coordinate (green_ray_isec) -- (7,4);
+    \draw[darkgray] (8,2) coordinate (darkgray_ray_isec) -- (5,5) coordinate (orig);
+    \draw[cyan] (6.4,3.3) coordinate (cyan_ray_isec) -- (5,5);
 
     %line
     \draw (mag.north east) -- (7,2);
 
     %magnifier box
-    \draw (5,4) -- (10,4) -- (10,1) -- (5,1) -- cycle;
+    \draw (5,5) -- (8,5) -- (8,2) -- (5,2) -- cycle;
 
     \pic [
         draw, 
         ->, 
         "$d\omega$", 
         angle radius=20mm,
-        angle eccentricity=1.1,
+        angle eccentricity=1,
         pic text options={shift={(3mm,3mm)}}
         ]
-        {angle = green_ray_isec--orig--blue_ray_isec};
+        {angle = cyan_ray_isec--orig--darkgray_ray_isec};
 
 \end{tikzpicture}
diff --git a/handout/prototyper.tex b/handout/prototyper.tex
new file mode 100644
index 0000000..0e4a48f
--- /dev/null
+++ b/handout/prototyper.tex
@@ -0,0 +1,12 @@
+\documentclass[margin = 5mm]{standalone}
+
+\usepackage{tikz}
+\usetikzlibrary{calc,patterns,angles,quotes,shapes,arrows, positioning,overlay-beamer-styles}
+\usepackage{ifthen}
+
+
+\usepackage{xcolor}
+
+\begin{document}
+    \input{diagrams/diagramm_occlusion.tex}
+\end{document}
\ No newline at end of file