diff --git a/workshops/latex/beamer/Makefile b/workshops/latex/beamer/Makefile
index 26fdab38d52cadc6fa9dbb24e37341c958f97bd7..c0d7425692a3c0431cd4d35e66108e45e0427d89 100644
--- a/workshops/latex/beamer/Makefile
+++ b/workshops/latex/beamer/Makefile
@@ -61,8 +61,7 @@ movie.mp4: animation.py
 	python animation.py
 
 pgf-img/graphene3d.pdf: pgf-img/graphene3d.md5
-	mkdir -p pgf-img/
-	make beamer.makefile
+	make -f beamer.makefile
 
 clean:
 	-$(RM) -f *.{aux,nav,out,log,makefile,figlist,auxlock,snm,toc}
diff --git a/workshops/latex/beamer/beamer.tex b/workshops/latex/beamer/beamer.tex
index 577c404a9a3d5871dc45dfd3a1bf3b9d15c7c69b..25f917bdd6f816a59bb095e9a10304a224c1bad0 100644
--- a/workshops/latex/beamer/beamer.tex
+++ b/workshops/latex/beamer/beamer.tex
@@ -405,40 +405,39 @@
   \end{colormixin}
 \end{frame}
 
+\setlength{\abovedisplayskip}{3pt}
+\setlength{\belowdisplayskip}{4pt}
 \begin{frame}{TikZ Beispiel: Graphen in Tight Binding}
   Näherung der Bandstruktur von Graphen
   \vspace*{-2mm}
   \begin{columns}[T]
     \begin{column}{.5\textwidth}
       \begin{block}{Tight Binding Model}
-        \vspace*{-1mm}
         \begin{itemize}
           \item Honigwabengitter
           \item Nur \red{Hüpfen} zu \green{nächsten Nachbarn}
         \end{itemize}
-        \vspace*{-2mm}
         \begin{align*}
           \mathcal{H}
           &=-\red{t} \sum_{\green{\left<i,j\right>}}a_\green{i}^\dagger a_\green{j} \\
           &=-\sum_{\mathbf{m}, \mathbf{n}, \alpha, \beta}
           \red{t}\green{_{\alpha\beta}(\mathbf{m})} a_{\alpha\,(n+m)}^\dagger a_{\beta\,n}
         \end{align*}
-        \vspace*{-1mm}
       \end{block}
     \end{column}
-    \begin{column}{.5\textwidth}
+    \begin{column}{.48\textwidth}
       \vspace*{-4.5mm}
       \tikzsetnextfilename{graphene3d}
-      \hspace*{3mm}%
+      \hspace*{6mm}%
       \begin{tikzpicture}[scale=1]
         \begin{axis}[
             view/h=33,
             axis lines=none,
-            width=8.3cm,
+            width=8.5cm,
             height=8.5cm,
             xmin=-4.4, xmax=4.4,
             ymin=-4.4, ymax=4.4,
-            zmin=-3.1, zmax=3.1,
+            zmin=-3.2, zmax=3.2,
           ]
           \addplot3[
               mesh,
@@ -461,7 +460,7 @@
       \vspace*{-12mm}
     \end{column}
   \end{columns}
-  \vspace*{1.5mm}
+  \vspace*{3mm}
   $\implies$ Energieeigenzustände:
   $\quad\displaystyle
     E(\mathbf{k})