Let $\mathcal{G}$ represent the $6 \times 5$ structural grid, where each node is denoted with row and column as $N_{r,c}$ with $r \in \{1,2,...,6\}$ and $c \in \{1,2,...,5\}$.\\

\begin{figure}[ht]
    \centering
    % \includegraphics[width=\textwidth]{}
    \input{chapters/img/specimen}
    \caption{Diagram joint and sensors placement}
    \label{fig:specimen}
\end{figure}