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Here's a 3D rendering of Zone "KM WC LT2" (with a few coordinates).

image description

"KM WC LT2" has 12x surfaces in the IDF - there should only be 11x:

  • 7x walls
  • 2x ceilings
  • 2x floors

Wall "97F56C" looks to be the intruder (in purple). It's facing Outdoors, but that's beside the point. I have not verified other surfaces/zones.

Here's a 3D rendering of Zone "KM WC LT2" (with a few coordinates).

image description

"KM WC LT2" has 12x surfaces in the IDF - there should only be 11x:

  • 7x walls
  • 2x ceilings
  • 2x floors

Wall "97F56C" looks to be the intruder (in purple). It's facing Outdoors, but that's beside the point. I have not verified other surfaces/zones.surfaces/zones in the IDF. I suggest you first fix geometry issues like this one. This may fix other issues downstream (i.e. many calculations require valid volumes/areas).