\input{umtest-preamble} \usepackage{unicode-math} \setmathfont{STIXGeneral} \begin{document} \[ \mathbb{πΠγΓ} \qquad \mathbb{πœ‹π›±π›Ύπ›€} \] \[ \mathbb{\sum}_0^1 \] \[ \mathbb{βˆ‘}_0^1 \] \[ \Bbbsum_0^1 \] \end{document}