\documentclass{scrartcl}
  \usepackage[utf8]{inputenc} 
  \usepackage[T1]{fontenc} 
  \usepackage[dvipsnames]{xcolor} 
  \usepackage[object=vectorian]{pgfornament}   
  \usetikzlibrary{shapes.geometric,calc}
  \definecolor{fondpaille}{cmyk}{0,0,0.1,0}
  \begin{document}
  \pagecolor{fondpaille}
  \color{Maroon} 
  
  \begin{tikzpicture}
  \node (A) at (0,0) {};  
  \node (B) at (7,5) {}; 
  \draw [help lines,color=Maroon!40]  (0,0) grid (7,5);
  \draw [fill=Maroon!20]  (A) circle (2pt) (B) circle (2pt);    
  \path  (A.center) to [ornament=84,
                        options/.append style={yshift=1pt}] (B.center);
  \end{tikzpicture}      
  \end{document}