Hi, I'm looking to calculate the band structure of an unconventional 3D photonic crystal which has a simple cubic arrangement. The repeated unit cell is an open octahedron and I would like to build this structure such that the edges of the octahedron are made of dielectric elliptical cylinders. As such, I was wondering whether an elliptical cylinder type geometric object has been added to the most recent version of MPB. If not, I would appreciate any advice you can offer with regards to building an open octahedron unit cell.
Thank you for all your help! Best, Viki
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