diff --git a/_test_simple.ifc b/_test_simple.ifc
index a244d72..a21ce0f 100644
--- a/_test_simple.ifc
+++ b/_test_simple.ifc
@@ -4138,7 +4138,7 @@ DATA;
 #5022=IFCWALL('1_$aWwKov0Sf7It_vDy_tx',$,'porch south wall',$,$,#5033,#5028,$,$);
 #5023=IFCMATERIALLAYERSETUSAGE(#142,.AXIS2.,.POSITIVE.,0.,$);
 #5024=IFCRELASSOCIATESMATERIAL('2pXAM9FwrFY9lC4Sz49sXz',$,$,$,(#5022),#5023);
-#5028=IFCPRODUCTDEFINITIONSHAPE($,$,(#8615,#8770));
+#5028=IFCPRODUCTDEFINITIONSHAPE($,$,(#8615,#8770,#8804));
 #5029=IFCCARTESIANPOINT((2.25000023841858,-1.15582501888275,0.));
 #5030=IFCDIRECTION((0.,0.,1.));
 #5031=IFCDIRECTION((1.,0.,0.));
@@ -4162,7 +4162,7 @@ DATA;
 #5072=IFCWALL('2donwy3Dr5CPaKmOIdQQcb',$,'porch north wall',$,$,#5181,#5078,$,$);
 #5073=IFCMATERIALLAYERSETUSAGE(#142,.AXIS2.,.POSITIVE.,0.,$);
 #5074=IFCRELASSOCIATESMATERIAL('3apSz7di97iBofXEAfmuJI',$,$,$,(#5072),#5073);
-#5078=IFCPRODUCTDEFINITIONSHAPE($,$,(#8628,#8787));
+#5078=IFCPRODUCTDEFINITIONSHAPE($,$,(#8628,#8821));
 #5094=IFCPROPERTYSET('20$m9HA010xfEFnKAwwHBu',$,'EPset_Parametric',$,(#5096));
 #5095=IFCRELDEFINESBYPROPERTIES('1cdFWS8Er9b8kFsrQJ0Aq0',$,$,$,(#5072),#5094);
 #5096=IFCPROPERTYSINGLEVALUE('Engine',$,IFCLABEL('Bonsai.DumbLayer2'),$);
@@ -6079,22 +6079,39 @@ DATA;
 #8775=IFCPLANE(#8774);
 #8776=IFCHALFSPACESOLID(#8775,.F.);
 #8777=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8769,#8776);
-#8778=IFCCARTESIANPOINTLIST2D(((0.,0.),(1.9,0.),(1.9,0.33),(0.33,0.33)));
-#8779=IFCINDEXEDPOLYCURVE(#8778,(IFCLINEINDEX((1,2,3,4,1))),$);
-#8780=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8779);
-#8781=IFCCARTESIANPOINT((0.,0.,0.));
-#8782=IFCDIRECTION((0.,0.,1.));
-#8783=IFCDIRECTION((1.,0.,0.));
-#8784=IFCAXIS2PLACEMENT3D(#8781,#8782,#8783);
-#8785=IFCDIRECTION((0.,0.,1.));
-#8786=IFCEXTRUDEDAREASOLID(#8780,#8784,#8785,3.5);
-#8787=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8794));
-#8788=IFCCARTESIANPOINT((0.,0.,2.384));
-#8789=IFCDIRECTION((0.419,0.,-0.908));
-#8790=IFCDIRECTION((0.,-1.,0.));
-#8791=IFCAXIS2PLACEMENT3D(#8788,#8789,#8790);
-#8792=IFCPLANE(#8791);
-#8793=IFCHALFSPACESOLID(#8792,.F.);
-#8794=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8786,#8793);
+#8795=IFCCARTESIANPOINTLIST2D(((0.,0.),(1.9,0.),(1.57,0.33),(0.,0.33)));
+#8796=IFCINDEXEDPOLYCURVE(#8795,(IFCLINEINDEX((1,2,3,4,1))),$);
+#8797=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8796);
+#8798=IFCCARTESIANPOINT((0.,0.,0.));
+#8799=IFCDIRECTION((0.,0.,1.));
+#8800=IFCDIRECTION((1.,0.,0.));
+#8801=IFCAXIS2PLACEMENT3D(#8798,#8799,#8800);
+#8802=IFCDIRECTION((0.,0.,1.));
+#8803=IFCEXTRUDEDAREASOLID(#8797,#8801,#8802,3.5);
+#8804=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8811));
+#8805=IFCCARTESIANPOINT((0.,0.,3.26));
+#8806=IFCDIRECTION((0.419,0.,0.908));
+#8807=IFCDIRECTION((0.,-1.,0.));
+#8808=IFCAXIS2PLACEMENT3D(#8805,#8806,#8807);
+#8809=IFCPLANE(#8808);
+#8810=IFCHALFSPACESOLID(#8809,.F.);
+#8811=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8803,#8810);
+#8812=IFCCARTESIANPOINTLIST2D(((0.,0.),(1.9,0.),(1.9,0.33),(0.33,0.33)));
+#8813=IFCINDEXEDPOLYCURVE(#8812,(IFCLINEINDEX((1,2,3,4,1))),$);
+#8814=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8813);
+#8815=IFCCARTESIANPOINT((0.,0.,0.));
+#8816=IFCDIRECTION((0.,0.,1.));
+#8817=IFCDIRECTION((1.,0.,0.));
+#8818=IFCAXIS2PLACEMENT3D(#8815,#8816,#8817);
+#8819=IFCDIRECTION((0.,0.,1.));
+#8820=IFCEXTRUDEDAREASOLID(#8814,#8818,#8819,3.5);
+#8821=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8828));
+#8822=IFCCARTESIANPOINT((0.,0.,2.384));
+#8823=IFCDIRECTION((-0.419,0.,0.908));
+#8824=IFCDIRECTION((0.,1.,-0.));
+#8825=IFCAXIS2PLACEMENT3D(#8822,#8823,#8824);
+#8826=IFCPLANE(#8825);
+#8827=IFCHALFSPACESOLID(#8826,.F.);
+#8828=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8820,#8827);
 ENDSEC;
 END-ISO-10303-21;