\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}