\documentclass[tikz]{standalone}

\usepackage{tikz-cd}

\begin{document}
    \begin{tikzpicture}[baseline= (a).base]
        \node[scale=9] (a) at (0,0)
        {
            \begin{tikzcd}
                Y \arrow[r, "\tilde{f}_0"] \arrow[d, hook, "\iota_0"] & E \arrow[d, "\pi"] \\
                Y\times I \arrow[r, "f_\bullet"] \arrow[ur, dashed, "\tilde{f}_\bullet"] & B
            \end{tikzcd}
        };
    \end{tikzpicture}
\end{document}