https://raw.githubusercontent.com/buildingSMART/IFC4.3-html/v4.3.1.0/IFC/RELEASE/IFC4x3/HTML/IFC4X3_ADD1.exp

cmake/CMakeLists.txt

@@ -620,7 +620,7 @@ function(files_for_ifc_version IFC_VERSION RESULT_NAME)
 endfunction()
 
 if(NOT SCHEMA_VERSIONS)
-    set(SCHEMA_VERSIONS "2x3" "4" "4x1" "4x2" "4x3_rc1" "4x3_rc2" "4x3_rc3" "4x3_rc4" "4x3")
+    set(SCHEMA_VERSIONS "2x3" "4" "4x1" "4x2" "4x3_rc1" "4x3_rc2" "4x3_rc3" "4x3_rc4" "4x3" "4x3_add1")
 endif()
 
 foreach(s ${SCHEMA_VERSIONS})

src/ifcgeom_schema_agnostic/Kernel.cpp

@@ -175,6 +175,11 @@ namespace {
 	GET_RELATINGOBJECT_IFC4_VARIANT(Ifc4x3);
 	CREATE_GET_DECOMPOSING_ENTITY(Ifc4x3);
 #endif
+
+#ifdef HAS_SCHEMA_4x3_add1
+	GET_RELATINGOBJECT_IFC4_VARIANT(Ifc4x3_add1);
+	CREATE_GET_DECOMPOSING_ENTITY(Ifc4x3_add1);
+#endif
 }
 
 // Declares the schema-based IfcProduct check:

src/ifcwrap/IfcGeomWrapper.i

@@ -601,6 +601,11 @@ struct ShapeRTTI : public boost::static_visitor<PyObject*>
 			return helper_fn_create_shape<Ifc4x3>(settings, instance, representation);
 		}
 		#endif
+        #ifdef HAS_SCHEMA_4x3_add1
+		if (schema_name == "IFC4X3_ADD1") {
+			return helper_fn_create_shape<Ifc4x3_add1>(settings, instance, representation);
+		}
+		#endif
 		
 		throw IfcParse::IfcException("No geometry support for " + schema_name);
 	}

src/ifcwrap/IfcPython.i

@@ -112,6 +112,9 @@
 #endif
 #ifdef HAS_SCHEMA_4x3
 #include "../ifcparse/Ifc4x3.h"
+#endif
+#ifdef HAS_SCHEMA_4x3_add1
+#include "../ifcparse/Ifc4x3_add1.h"
 #endif
 
 	#include "../ifcparse/IfcBaseClass.h"