diff --git a/LuaLibs/BeamLib.lua b/LuaLibs/BeamLib.lua
index c585685..4da50d4 100644
--- a/LuaLibs/BeamLib.lua
+++ b/LuaLibs/BeamLib.lua
@@ -1188,6 +1188,11 @@ end
 
 -------------------------------------------------------------------------------------------------------------
 function BeamLib.GetFacetsInfo( Proc, b3Raw)
+
+   if Proc.Fct > 20 then
+      return nil
+   end
+
    local Face = {}
    local b3Solid = EgtGetBBoxGlob( EgtGetFirstNameInGroup( Proc.PartId, 'Box') or GDB_ID.NULL, GDB_BB.STANDARD)
    local vAdj