А вот такая проблема... Я вставил модель, облепил её нулом func_wall как советовали... При компиле вот что...
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0 brushes (totalling 0 sides) discarded from clipping hulls
CreateBrush:
Error: Entity 9, Brush 15, Side 4: plane with no normal
Error: plane with no normal
Description: The map has a problem which must be fixed
Howto Fix: Check the file ZHLTProblems.html for a detailed explanation of this problem
Error: Entity 9, Brush 15: outside world(+/-4096): (-1696,-606,-240)-(-1651,-577,10000)
Error: Entity 9, Brush 15: outside world(+/-4096): (-1712,-622,-276)-(-1635,-561,10036)
Error: Entity 9, Brush 15: outside world(+/-4096): (-1728,-638,-272)-(-1619,-545,10032)
Error: Entity 9, Brush 15: outside world(+/-4096): (-1712,-622,-25

-(-1635,-561,1001

Error: Entity 9, Brush 16, Side 0: plane with no normal
Error: Entity 9, Brush 16, Side 1: plane with no normal
Error: Entity 9, Brush 16, Side 1: has a coplanar plane at (-1644, -572, -240), texture NULL
Error: Entity 9, Brush 16, Side 5: plane with no normal
Error: Entity 9, Brush 16, Side 5: has a coplanar plane at (-1651, -577, -240), texture NULL
Error: Entity 9, Brush 16, Side 5: has a coplanar plane at (-1651, -577, -240), texture NULL
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999968,-10000,-10000)-(999999968,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999968,-10000,-10000)-(999999968,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999968,-10000,-10000)-(999999968,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
Error: Entity 9, Brush 16: outside world(+/-4096): (999999984,-10000,-10000)-(999999984,10000,10000)
...
Пытался разобраться - не получилось... В чем может быть проблема?