\documentclass[crop]{standalone}

\usepackage{float}
\usepackage{listings}
\usepackage{color}
\usepackage{textcomp}
\usepackage{graphicx}
\usepackage{tikz}
\usepackage{tikz-3dplot}
\usepackage{relsize}

\newcommand{\bVec}[1]{\mathbf{#1}}

\newcommand{\vect}[3]{{_{\mathsmaller{\mathrm{#2}}}\mathbf{#1}_{\mathsmaller{\mathrm{#3}}}}} % vector: _{#2}_{#1}_{#3}

\newcommand{\wfr}[0]{\ensuremath{W}} % world frame
\newcommand{\bfr}[0]{\ensuremath{B}} % body frame
\newcommand{\cfr}[0]{\ensuremath{C}} % C-frame

\newcommand{\heading}[0]{\psi}

\begin{document}

\resizebox{7.8cm}{!}{
    \input{quadrotor.tikz}
}

\end{document}
