\tikzset{block/.default={0.8cm}{0.6cm}}
\tikzset{addb/.append style={scale=0.7}}
\tikzset{node distance=0.6}
\def\cdist{0.7}

\definecolor{T}{rgb}{0.230, 0.299, 0.754}%
\definecolor{S}{rgb}{0.706, 0.016, 0.150}%
\begin{tikzpicture}
  \node[piezo={2}{3}{10}] (piezo) at (0, 0){};
  \node[draw, fill=white, anchor=south, minimum width=3cm, minimum height=1.5cm] (mass) at ($(piezo.north)+(0, 0.5)$) {Mass};
  \draw[] ($(piezo.south)+(-1.5, -0.5)$) -- ++(3, 0);
  \draw ($0.8*(piezo.north west)+0.2*(piezo.north east)$) -- ++(0, 0.5);
  \draw ($0.2*(piezo.north west)+0.8*(piezo.north east)$) -- ++(0, 0.5);
  \draw ($0.8*(piezo.south west)+0.2*(piezo.south east)$) -- ++(0, -0.5);
  \draw ($0.2*(piezo.south west)+0.8*(piezo.south east)$) -- ++(0, -0.5);
\end{tikzpicture}