\documentclass[border=2pt]{standalone}
\usepackage[en]{supertensor}
\stsetrole{idx}{stOrange}
\stdim{m}{2}
\stdim{n}{3}
\begin{document}\begin{tikzpicture}
  \stindexface[role=idx]{I}{(0,0)}{m}{n}{0,1,2,3,4}
\end{tikzpicture}\end{document}