Backface cull

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From the PyMOL source code: backface_cull "controls whether or not backward facing triangles are not filtered out when ray tracing"


set backface_cull, 1 (on; default)

set backface_cull, 0 (off; allows the visualization of the "other side" (inside) of a surface)

Note that visualization of the inside of a surface also depends on the setting of "two_sided_lighting"