  Let $\mathcal{C}$ be a spherical fusion category. The goal of this article is
to present the tube category of $\mathcal{C}$, denoted $\mathcal{TC}$, as
giving an alternative graphical perspective on the Drinfeld centre of
$\mathcal{C}$, denoted $Z(\mathcal{C})$. We then exploit this perspective to
obtain an alternative proof of the equivalence between $Z(\mathcal{C})$ and
$\mathcal{C} \boxtimes \bar{\mathcal{C}}$ when $\mathcal{C}$ is modular.
Sections 2-4 provide a survey of the required prerequisites; readers already
familiar with graphical calculus in fusion categories should start at Section
5.
