diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 4109f1c419ff02700c795c365ebbcc61ab72f3dd..1e9c4f339a1f370322bab9010d57ef40ba034a91 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -4,7 +4,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{ptbposter}
-    [2015/03/16 v0.2a PTB-Poster-Klasse (RN)]
+    [2015/03/17 v0.2b PTB-Poster-Klasse (RN)]
 
 \PassOptionsToPackage{paper=a0paper}{geometry}
 
@@ -46,9 +46,7 @@
 \ProcessOptions\relax
 \LoadClass{scrartcl}
 
-\RequirePackage[
-,columnsep=3em
-]{geometry}
+\RequirePackage[columnsep=2.5em]{geometry}
 
 \RequirePackage[svgnames]{xcolor}
 \RequirePackage[newcommands,newparameters]{ragged2e}% ???
@@ -109,8 +107,8 @@
 \AddToShipoutPictureBG{%  TODO: Evtl. besser auf untere Blattkante beziehen.
   \put(\PTB@leftmargin,-95.4mm){\includegraphics[width=477mm]{ptbposter-logo.pdf}}%
   % TODO: Besser so \DeclareFixedFont{\Big}{\encodingdefault}{\sfdefault}{m}{n}{10}
-  \put(\PTB@leftmargin,-160mm){\sffamily\Huge\@title}%
-  \put(\PTB@leftmargin,-190mm){\sffamily\large\@author}%
+  \put(\PTB@leftmargin,-160mm){\sffamily\titleFontSize\@title}%
+  \put(\PTB@leftmargin,-190mm){\sffamily\authorFontSize\@author}%
   \put(\PTB@leftmargin,-105mm){%
     \linethickness{2mm}\color{PTBcolor}\line(1,0){\dimexpr\paperwidth-2\PTB@leftmargin}}
   \linethickness{2mm}
@@ -127,8 +125,8 @@
     \hspace{2mm}\framebox(46mm,46mm){}%
     %\circle*{1mm}%
     \color{black}%
-    \hspace{2mm}\raisebox{41mm}{{\parbox[t][47mm]{155mm}{%
-      \tiny\sffamily
+    \hspace{3mm}\raisebox{40.5mm}{{\parbox[t][47mm]{155mm}{%
+      \footFontSize\sffamily
       Physikalisch-Technische Bundesanstalt \\
       Braunschweig und Berlin \par\vspace{1em}
       \textbf{\@author} \\
@@ -136,8 +134,8 @@
       \PTB@workingGroup
       %\rule{\linewidth}{5mm}%
     }}}%
-    \hspace{12mm}\raisebox{41mm}{{\parbox[t][47mm]{125mm}{%
-      \tiny\sffamily
+    \hspace{12mm}\raisebox{40.5mm}{{\parbox[t][47mm]{125mm}{%
+      \footFontSize\sffamily
       \begin{tabular}[t]{@{}ll@{}}
         \ifx\PTB@street\@empty\else\PTB@street\\ \fi
         \ifx\PTB@location\@empty\else\PTB@location\\ \fi
@@ -148,8 +146,8 @@
       \end{tabular}%
       %\rule{\linewidth}{5mm}%
     }}}%
-    \hspace{12mm}\raisebox{41mm}{{\parbox[t][47mm]{175mm}{%
-      \tiny\sffamily{}
+    \hspace{12mm}\raisebox{40.5mm}{{\parbox[t][47mm]{175mm}{%
+      \footFontSize\sffamily
       % TODO: Siehe Lösung für abstracts
       %%%$^{1}$Physikalisch-Technische Bundesanstalt \\
       %%%$^{2}$Muster Universität Forschungsstadt
@@ -158,6 +156,7 @@
   }
 }
 
+\iffalse
 %% Werte auf 41pt bezogen
 \edef\large{\noexpand\@setfontsize\noexpand\large
   {\the\dimexpr1.3\PTB@default@fsize}{\the\dimexpr1.56\PTB@default@fsize}}
@@ -165,6 +164,23 @@
 \edef\Huge{\noexpand\@setfontsize\noexpand\Huge
   {\the\dimexpr2.6\PTB@default@fsize}{\the\dimexpr3.12\PTB@default@fsize}}
 %% vorher: 2.49 * \PTB@default@fsize / 2.49 * 1.2 * \PTB@default@fsize
+\edef\tiny{\noexpand\@setfontsize\noexpand\tiny
+  {\the\dimexpr0.47\PTB@default@fsize}{\the\dimexpr0.564\PTB@default@fsize}}
+%% vorher: 0.5 * \PTB@default@fsize / 0.5 * 1.2 * \PTB@default@fsize
+\fi
+
+\edef\titleFontSize{\noexpand\@setfontsize\noexpand\titleFontSize{106.6}{127.92}}
+\edef\authorFontSize{\noexpand\@setfontsize\noexpand\authorFontSize{53.3}{63.96}}
+\edef\footFontSize{\noexpand\@setfontsize\noexpand\footFontSize{19.27}{23.124}}
+
+\renewcommand*\labelitemi{$\m@th\circ$}
+\renewcommand*\labelitemii{$\m@th\triangleright$}
+\renewcommand*\labelitemiii{$\m@th\diamond$}
+\renewcommand*\labelitemiv{\makebox[.5em]{\scalebox{1.5}{\textbullet}}}
+\setlength\leftmargini{1.5em}
+\setlength\leftmarginii{1.4em}
+\setlength\leftmarginiii{1.3em}
+\setlength\leftmarginiv{1.2em}
 
 \setcounter{secnumdepth}{-2}
 \renewcommand*\maketitle[1][1]{}