\documentclass[a4paper]{minimal}
\usepackage{pstricks}              % PSTricks with the `color' extension
\usepackage[tiling]{pst-fill}      % PSTricks package for filling/tiling
\usepackage{pst-char}              % PSTricks package for character path
\usepackage{pst-grad}              % PSTricks package for gradient filling
\usepackage[margin=1cm]{geometry}
\usepackage{graphicx}
\pagestyle{empty}
%
\begin{document}
\DeclareFixedFont{\ptsmall}{T1}{ptm}{m}{sc}{5mm}
\DeclareFixedFont{\ps}{U}{psy}{m}{n}{6cm}
\DeclareFixedFont{\pt}{T1}{ptm}{m}{n}{6cm}
%
\psboxfill{\ptsmall$\Pi\Sigma T\rho\iota\chi\kappa\sigma$}
%
\resizebox{\linewidth}{!}{%
\begin{pspicture}(-12,0)(11,6)
    \pscharpath[gradbegin=cyan,gradend=red,
                fillstyle=gradient,gradangle=-30,
                gradmidpoint=0.5,addfillstyle=boxfill,
                fillangle=30,fillsep=0.6mm]%
                {\rput[b](-0.5,0){\ps PS\kern-15pt T\kern-30pt r\kern-15pt 
		i\kern-25pt c\kern-14pt k\kern-10pt s}}
\end{pspicture}}

\clearpage

\DeclareFixedFont{\ptsmall}{T1}{ptm}{m}{sc}{5mm}
\DeclareFixedFont{\ps}{U}{psy}{m}{n}{8cm}
\DeclareFixedFont{\pt}{T1}{ptm}{m}{n}{8cm}
\psboxfill{\ptsmall PSTricks}

\begin{pspicture}(0,0)(.25\linewidth,8)
    \pscharpath[gradbegin=cyan,gradend=red,
                fillstyle=gradient,gradangle=-30,
                gradmidpoint=0.5,addfillstyle=boxfill,
                fillangle=30,fillsep=0.6mm]%
                {\rput[b](-0.5,0){\ps\char209\kern-.3em\pt A}}
\end{pspicture}\hfill
\psboxfill{\ptsmall$\pi$}
\begin{pspicture}(0,0)(.25\linewidth,8)
    \pscharpath[fillstyle=solid,fillcolor=cyan!20,addfillstyle=boxfill,
                fillangle=30,fillsep=0.6mm]%
                {\rput[b](-0.5,0){\ps\char112}}
\end{pspicture}\hfill
\psboxfill{\ptsmall$\lambda$}
\begin{pspicture}(0,0)(.25\linewidth,8)
    \pscharpath[gradbegin=white,gradend=blue,
                fillstyle=gradient,gradangle=-30,
                gradmidpoint=0.5,addfillstyle=boxfill,
                fillangle=90,fillsep=0.6mm]%
                {\rput[b](0,0){\ps l}}
\end{pspicture}


\end{document}
