[Gate-users] Geometry - Defining a volume as one 'minus' another

[Amy Meldrum]

Hello GATE users,

I am currently writing my first simulation and am wondering about geometry
definitions. What I am trying to define is a volume that covers a circular
surface, with a square 'hole', essentially a thin cylinder 'minus' a thin
box. Is defining a volume like this possible?

Thank you,

-Amy
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