% One needs PDF2SVG to generate the SVG graph.
% Author: Ika
% Update Date: 11/22/2014

\documentclass{amsart}
\usepackage[paperwidth=110px, paperheight=100px, top=-18px, left=0px, right=0px, bottom=0px]{geometry}
\usepackage{amsmath,amssymb,nopageno}
\usepackage[all]{xy}
\begin{document}
\Huge
\[
	\xymatrix@C+1em@R+1em{ 
	L \ar^{\phi_X}[r] \ar_{\phi_Y}[d] \ar^{\phi_Z}[dr] & X \ar^f[d] \\
	Y \ar_g[r] & Z
	}
\]
\end{document}