diff --git a/_test_simple.ifc b/_test_simple.ifc
index 5f67e48..a244d72 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,#8719));
+#5028=IFCPRODUCTDEFINITIONSHAPE($,$,(#8615,#8770));
 #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',$,$,$,(#5072),#5073);
-#5078=IFCPRODUCTDEFINITIONSHAPE($,$,(#8628,#8743));
+#5078=IFCPRODUCTDEFINITIONSHAPE($,$,(#8628,#8787));
 #5094=IFCPROPERTYSET('20$m9HA010xfEFnKAwwHBu',$,'EPset_Parametric',$,(#5096));
 #5095=IFCRELDEFINESBYPROPERTIES('1cdFWS8Er9b8kFsrQJ0Aq0',$,$,$,(#5072),#5094);
 #5096=IFCPROPERTYSINGLEVALUE('Engine',$,IFCLABEL('Bonsai.DumbLayer2'),$);
@@ -6062,53 +6062,39 @@ DATA;
 #8693=IFCCARTESIANPOINTLIST2D(((0.,0.),(4.139,0.)));
 #8694=IFCINDEXEDPOLYCURVE(#8693,$,$);
 #8695=IFCSHAPEREPRESENTATION(#23,'Axis','Curve2D',(#8694));
-#8696=IFCCARTESIANPOINTLIST2D(((0.,0.),(0.,0.33),(1.9,0.33),(1.9,0.),(0.,0.)));
-#8697=IFCINDEXEDPOLYCURVE(#8696,$,.F.);
-#8698=IFCDIRECTION((0.,0.,1.));
-#8699=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8697);
-#8700=IFCCARTESIANPOINT((0.,0.,0.));
-#8701=IFCDIRECTION((0.,0.,1.));
-#8702=IFCDIRECTION((1.,0.,0.));
-#8703=IFCAXIS2PLACEMENT3D(#8700,#8701,#8702);
-#8704=IFCEXTRUDEDAREASOLID(#8699,#8703,#8698,3.5);
-#8705=IFCCARTESIANPOINT((1.9,0.,0.));
-#8706=IFCDIRECTION((-0.707,-0.707,0.));
-#8707=IFCDIRECTION((-0.707106781186548,0.707106781186548,0.));
-#8708=IFCAXIS2PLACEMENT3D(#8705,#8706,#8707);
-#8709=IFCPLANE(#8708);
-#8710=IFCHALFSPACESOLID(#8709,.F.);
-#8711=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8704,#8710);
-#8712=IFCCARTESIANPOINT((0.,0.,3.26));
-#8713=IFCDIRECTION((-0.419,0.,-0.908));
-#8714=IFCDIRECTION((0.,1.,-0.));
-#8715=IFCAXIS2PLACEMENT3D(#8712,#8713,#8714);
-#8716=IFCPLANE(#8715);
-#8717=IFCHALFSPACESOLID(#8716,.F.);
-#8718=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8711,#8717);
-#8719=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8718));
-#8720=IFCCARTESIANPOINTLIST2D(((0.,0.),(0.,0.33),(1.9,0.33),(1.9,0.),(0.,0.)));
-#8721=IFCINDEXEDPOLYCURVE(#8720,$,.F.);
-#8722=IFCDIRECTION((0.,0.,1.));
-#8723=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8721);
-#8724=IFCCARTESIANPOINT((0.,0.,0.));
-#8725=IFCDIRECTION((0.,0.,1.));
-#8726=IFCDIRECTION((1.,0.,0.));
-#8727=IFCAXIS2PLACEMENT3D(#8724,#8725,#8726);
-#8728=IFCEXTRUDEDAREASOLID(#8723,#8727,#8722,3.5);
-#8729=IFCCARTESIANPOINT((0.,0.,0.));
-#8730=IFCDIRECTION((0.707,-0.707,0.));
-#8731=IFCDIRECTION((-0.707106781186548,-0.707106781186548,0.));
-#8732=IFCAXIS2PLACEMENT3D(#8729,#8730,#8731);
-#8733=IFCPLANE(#8732);
-#8734=IFCHALFSPACESOLID(#8733,.F.);
-#8735=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8728,#8734);
-#8736=IFCCARTESIANPOINT((0.,0.,2.384));
-#8737=IFCDIRECTION((0.419,0.,-0.908));
-#8738=IFCDIRECTION((0.,-1.,0.));
-#8739=IFCAXIS2PLACEMENT3D(#8736,#8737,#8738);
-#8740=IFCPLANE(#8739);
-#8741=IFCHALFSPACESOLID(#8740,.F.);
-#8742=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8735,#8741);
-#8743=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8742));
+#8761=IFCCARTESIANPOINTLIST2D(((0.,0.),(1.9,0.),(1.57,0.33),(0.,0.33)));
+#8762=IFCINDEXEDPOLYCURVE(#8761,(IFCLINEINDEX((1,2,3,4,1))),$);
+#8763=IFCARBITRARYCLOSEDPROFILEDEF(.AREA.,$,#8762);
+#8764=IFCCARTESIANPOINT((0.,0.,0.));
+#8765=IFCDIRECTION((0.,0.,1.));
+#8766=IFCDIRECTION((1.,0.,0.));
+#8767=IFCAXIS2PLACEMENT3D(#8764,#8765,#8766);
+#8768=IFCDIRECTION((0.,0.,1.));
+#8769=IFCEXTRUDEDAREASOLID(#8763,#8767,#8768,3.5);
+#8770=IFCSHAPEREPRESENTATION(#11,'Body','Clipping',(#8777));
+#8771=IFCCARTESIANPOINT((0.,0.,3.26));
+#8772=IFCDIRECTION((-0.419,0.,-0.908));
+#8773=IFCDIRECTION((0.,1.,-0.));
+#8774=IFCAXIS2PLACEMENT3D(#8771,#8772,#8773);
+#8775=IFCPLANE(#8774);
+#8776=IFCHALFSPACESOLID(#8775,.F.);
+#8777=IFCBOOLEANCLIPPINGRESULT(.DIFFERENCE.,#8769,#8776);
+#8778=IFCCARTESIANPOINTLIST2D(((0.,0.),(1.9,0.),(1.9,0.33),(0.33,0.33)));
+#8779=IFCINDEXEDPOLYCURVE(#8778,(IFCLINEINDEX((1,2,3,4,1))),$);
+#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);
 ENDSEC;
 END-ISO-10303-21;