\documentclass[preview, border=40px]{standalone}
\usepackage{../quantumcubemodel}
\begin{document}
\begin{qcmx}
    \node at (24, 18, 0) {\Huge \textbf{
        CNot on x (controll), y (target) in a system of three qubits
    }};
    \qcmxOOO{0.71}
    \qcmxIOO[90]{0.5}
    \qcmxIII[135]{0.5}
    \qcmxRenderQQQ
    \qcmxClearQQQ

    \def\qcmxOffsetX{20}
    \def\qcmxOffsetY{4}
    \qcmxRenderCNotQQQ{xy} % x is the controll, y is the target
    
    \def\qcmxOffsetX{33}
    \def\qcmxOffsetY{0}
    \qcmxOOO{0.71}
    \qcmxIIO[90]{0.5}
    \qcmxIOI[135]{0.5}
    \qcmxRenderQQQ
\end{qcmx}
\end{document}
.
