%%
%% Copyright (c) 2022-2023 by Friedemann Bartels
%%
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version.  The latest version of this license is in:
%%
%%    http://www.latex-project.org/lppl.txt
%%
%% and version 1.3c or later is part of all distributions of
%% LaTeX version 2008/05/04 or later.
%%

\documentclass[draft]{pagelayout}
\usepackage{lipsum}

\pagewidth=15cm
\pageheight=15cm
\gutter=10mm

\begin{document}

  \template[gutter=5mm]{so-gs}{
    \text{
      This is a generic template.
    }
  }

  \newtemplate{my template}{
    \setgrid[height=\height-20mm]{
      {[1]{1!}{1}}
      {[1]{1!}{1}}
    }
    \placeholder{0 0 1 1}
    \placeholder{1 0 2 1}
    \placeholder{0 1 2 2}
  }

  \template[outer margin=10mm]{my template}{
    \text{
      This is a custom template.
    }
  }

\end{document}
