"spacing"

ptbposter/ptbposter-tcb.sty

 
-\ProvidesPackage{ptbposter-tcb}[2020/02/19 v0.1e ptbposter/tcolorbox (RN)]
+\ProvidesPackage{ptbposter-tcb}[2020/02/28 v0.1f ptbposter/tcolorbox (RN)]
 
 \newcommand*\PTB@posterSet{%
   columns=3,rows=5,spacing=\PTB@texthsep,showframe=false,}
 \newcommand*\posterSet[1]{%
-  \g@addto@macro\PTB@posterSet{#1}%
+  \g@addto@macro\PTB@posterSet{#1,}%
 }
 
 \RequirePackage{kvoptions}[2009/07/17]

ptbposter/tcb-example1.tex

@@ -22,7 +22,9 @@
 %\logo{Logo754.pdf}
 
 \colorlet{boxBackground}{OliveGreen!10}
-\posterSet{showframe=true,columns=3,rows=5}% columns,rows -> default 
+\posterSet{showframe=true,columns=3,rows=5}% columns,rows -> default
+
+\posterSet{spacing=0pt}
 
 \title{Poster-Test (\texttt{tcolorbox}) -- Nr.~1}
 
@@ -60,7 +62,8 @@
     \begin{itemize}
       \item \verb|showframe=true\|false| % zur Orientierung
       \item \verb|columns=n|: Anzahl der Spalten
-      \item \verb|rows=m|: Anzahl der Zeilen
+      \item \verb|rows=n|: Anzahl der Zeilen
+      \item \verb|spacing=n|: Abstand zwischen den Boxen
     \end{itemize} \columnbreak
     \section{Boxparameter}
 \begin{verbatim}