diff --git a/src/examples/IfcAlignment.cpp b/src/examples/IfcAlignment.cpp
index 56c2711ffd..0aee9e0b0f 100644
--- a/src/examples/IfcAlignment.cpp
+++ b/src/examples/IfcAlignment.cpp
@@ -268,22 +268,7 @@ int main()
    auto footprint_shape_representation = new Schema::IfcShapeRepresentation(footprint_representation_subcontext, std::string("FootPrint"), std::string("Curve2D"), alignment_representation_items);
    file.addEntity(footprint_shape_representation);
 
-   // create the axis representation subcontext for CT 4.1.7.1.1.1 Alignment Geometry - Horizontal
-   auto axis2d_representation_subcontext = new Schema::IfcGeometricRepresentationSubContext(std::string("Axis"), std::string("Model"), geometric_representation_context, boost::none, Schema::IfcGeometricProjectionEnum::IfcGeometricProjection_MODEL_VIEW, boost::none);
-   file.addEntity(axis2d_representation_subcontext);
-
-   // create axis curve 2d representation
-   auto axis2d_shape_representation = new Schema::IfcShapeRepresentation(axis2d_representation_subcontext, std::string("Axis"), std::string("Curve2D"), alignment_representation_items);
-   file.addEntity(axis2d_shape_representation);
-
-   // there are two representations for the horizontal alignment (footprint and axis2d)
-   typename aggregate_of<typename Schema::IfcRepresentation>::ptr horizontal_representations(new aggregate_of<typename Schema::IfcRepresentation>());
-   horizontal_representations->push(footprint_shape_representation);
-   horizontal_representations->push(axis2d_shape_representation);
-
-   auto horizontal_product = new Schema::IfcProductDefinitionShape(std::string("Horizontal product definition shape"), boost::none, horizontal_representations);
-
-   auto horizontal_alignment = new Schema::IfcAlignmentHorizontal(IfcParse::IfcGlobalId(), nullptr, std::string("Horizontal Alignment"), boost::none, boost::none, local_placement, horizontal_product);
+   auto horizontal_alignment = new Schema::IfcAlignmentHorizontal(IfcParse::IfcGlobalId(), nullptr, std::string("Horizontal Alignment"), boost::none, boost::none, nullptr, nullptr);
    file.addEntity(horizontal_alignment);
 
    // for the business logic, nest the individual horizontal alignment segment with the alignment
@@ -361,7 +346,7 @@ int main()
 
    // create profile view axis model representation for the vertical profile
 
-   // start by defining a gradient curve composed of the vertical curve segments and associated with the horizont composite curve
+   // start by defining a gradient curve composed of the vertical curve segments and associated with the horizontal composite curve
    auto gradient_curve = new Schema::IfcGradientCurve(vertical_curve_segments, false, composite_curve, nullptr);
 
    // the gradient curve is a representation item
@@ -373,25 +358,20 @@ int main()
    file.addEntity(axis_representation_subcontext);
 
    // create the axis representation
-   auto axis_shape_representation = new Schema::IfcShapeRepresentation(axis_representation_subcontext, std::string("Axis"), std::string("Curve3D"), profile_representation_items);
-   file.addEntity(axis_shape_representation);
+   auto axis3d_shape_representation = new Schema::IfcShapeRepresentation(axis_representation_subcontext, std::string("Axis"), std::string("Curve3D"), profile_representation_items);
+   file.addEntity(axis3d_shape_representation);
 
-   typename aggregate_of<typename Schema::IfcRepresentation>::ptr vertical_representations(new aggregate_of<typename Schema::IfcRepresentation>());
-   vertical_representations->push(axis_shape_representation);
-
-   auto vertical_product = new Schema::IfcProductDefinitionShape(std::string("Vertical product definition shape"), boost::none, vertical_representations);
-
-   auto vertical_profile = new Schema::IfcAlignmentVertical(IfcParse::IfcGlobalId(), nullptr, std::string("Vertical Alignment"), boost::none, boost::none, local_placement, vertical_product);
+   auto vertical_profile = new Schema::IfcAlignmentVertical(IfcParse::IfcGlobalId(), nullptr, std::string("Vertical Alignment"), boost::none, boost::none, nullptr, nullptr);
    file.addEntity(vertical_profile);
 
    // for the business logic, nest the individual vertical curve segments with the vertical alignment
    auto nests_vertical_segments = new Schema::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, boost::none, std::string("Nests vertical alignment segments with vertical alignment"), vertical_profile, vertical_segments);
    file.addEntity(nests_vertical_segments);
 
-   // the alignment has two representations, a plan view footprint and a 3d axis
+   // the alignment has two representations, a plan view footprint and a 3d curve
    typename aggregate_of<typename Schema::IfcRepresentation>::ptr alignment_representations(new aggregate_of<typename Schema::IfcRepresentation>());
-   alignment_representations->push(footprint_shape_representation); // 2D alignment geometry
-   alignment_representations->push(axis_shape_representation);      // 3D alignment geometry
+   alignment_representations->push(footprint_shape_representation); // 2D footprint
+   alignment_representations->push(axis3d_shape_representation);    // 3D curve
 
    // create the alignment
    auto alignment_product = new Schema::IfcProductDefinitionShape(std::string("Alignment Product Definition Shape"), boost::none, alignment_representations);