CATT-Acoustic v9.0c debug :
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DUPLICATE PLANE ID's : no !
PLANES MODELLED TWICE : no !
DUPLICATE CORNER ID's : no !
DUPLICATE CORNERS : no !
SINGLE-CONNECTED CORNERS : no !
INACCURATE PLANE CORNERS : no !
COINCIDING PLANES : no !
EDGES CUTTING/TOUCHING : no !
POSSIBLY REVERSED PLANES : no !
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