diff --git a/__pycache__/revolveGemini.cpython-311.pyc b/__pycache__/revolveGemini.cpython-311.pyc
new file mode 100644
index 0000000..496e6d4
Binary files /dev/null and b/__pycache__/revolveGemini.cpython-311.pyc differ
diff --git a/p.step b/p.step
new file mode 100644
index 0000000..6305420
--- /dev/null
+++ b/p.step
@@ -0,0 +1,243 @@
+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('Open CASCADE Model'),'2;1');
+FILE_NAME('Open CASCADE Shape Model','2025-12-09T20:20:03',('Author'),(
+    'Open CASCADE'),'Open CASCADE STEP processor 7.8','build123d',
+  'Unknown');
+FILE_SCHEMA(('AUTOMOTIVE_DESIGN { 1 0 10303 214 1 1 1 1 }'));
+ENDSEC;
+DATA;
+#1 = APPLICATION_PROTOCOL_DEFINITION('international standard',
+  'automotive_design',2000,#2);
+#2 = APPLICATION_CONTEXT(
+  'core data for automotive mechanical design processes');
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+#5 = PRODUCT_DEFINITION('design','',#6,#9);
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+#7 = PRODUCT('COMPOUND','COMPOUND','',(#8));
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+#9 = PRODUCT_DEFINITION_CONTEXT('part definition',#2,'design');
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+#41 = ( GEOMETRIC_REPRESENTATION_CONTEXT(2) 
+PARAMETRIC_REPRESENTATION_CONTEXT() REPRESENTATION_CONTEXT('2D SPACE',''
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+  ) );
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+  ) );
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+#139 = ( GEOMETRIC_REPRESENTATION_CONTEXT(2) 
+PARAMETRIC_REPRESENTATION_CONTEXT() REPRESENTATION_CONTEXT('2D SPACE',''
+  ) );
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+PARAMETRIC_REPRESENTATION_CONTEXT() REPRESENTATION_CONTEXT('2D SPACE',''
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+PARAMETRIC_REPRESENTATION_CONTEXT() REPRESENTATION_CONTEXT('2D SPACE',''
+  ) );
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+PARAMETRIC_REPRESENTATION_CONTEXT() REPRESENTATION_CONTEXT('2D SPACE',''
+  ) );
+#189 = ORIENTED_EDGE('',*,*,#145,.F.);
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+#195 = EDGE_LOOP('',(#196));
+#196 = ORIENTED_EDGE('',*,*,#168,.F.);
+#197 = ( GEOMETRIC_REPRESENTATION_CONTEXT(3) 
+GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#201)) GLOBAL_UNIT_ASSIGNED_CONTEXT
+((#198,#199,#200)) REPRESENTATION_CONTEXT('Context #1',
+  '3D Context with UNIT and UNCERTAINTY') );
+#198 = ( LENGTH_UNIT() NAMED_UNIT(*) SI_UNIT(.MILLI.,.METRE.) );
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+  'distance_accuracy_value','confusion accuracy');
+#202 = PRODUCT_RELATED_PRODUCT_CATEGORY('part',$,(#7));
+ENDSEC;
+END-ISO-10303-21;
diff --git a/post_cap.py b/post_cap.py
index 5e3aef1..e74291f 100644
--- a/post_cap.py
+++ b/post_cap.py
@@ -1,2 +1,27 @@
 from build123d import *
 
+with BuildPart() as p:
+    with BuildSketch(Plane.XZ) as sk1:
+        test1 = Rectangle(49, 48 - 8, align=(Align.CENTER, Align.MIN))
+        test2 = Rectangle(9, 48, align=(Align.CENTER, Align.MIN))
+        with Locations((9 / 2, 40)):
+            Ellipse(20, 8)
+        test3 = split(bisect_by=Plane.YZ)
+    revolve(axis=Axis.Z)
+
+    with BuildSketch(Plane.YZ.offset(-15)) as xc1:
+        with Locations((0, 40 / 2 - 17)):
+            test4 = Ellipse(10 / 2, 4 / 2)
+        with BuildLine(Plane.XZ) as l1:
+            test5 = CenterArc((-15, 40 / 2), 17, 90, 180)
+    sweep(path=l1)
+
+
+
+# debug(test1)
+# debug(test2)
+# debug(test3)
+# debug(test4, name="ELL")
+# debug(test5, name="CA")
+# show_object(p, name="calosc")
+debug(xc1)
diff --git a/revolveGemini.py b/revolveGemini.py
new file mode 100644
index 0000000..90847ec
--- /dev/null
+++ b/revolveGemini.py
@@ -0,0 +1,15 @@
+from build123d import *
+
+
+with BuildPart() as p:
+    with BuildSketch(Plane.XZ) as s:
+        with Locations((20, 0)):
+            test = Rectangle(40, 40)
+        test2 =  split(bisect_by=Plane.YZ)
+    revolve(axis=Axis.Z)
+
+debug(test, name="Rectangle")
+debug(test2, name="split")
+show_object(p, name="calosc")
+
+export_step(p.part, "/home/pali112/Build123d/debug.step")
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..553df07
--- /dev/null
+++ b/test.py
@@ -0,0 +1,11 @@
+from build123d import *
+
+
+with BuildPart() as p:
+    Box(40, 30, 20)
+    with Locations((40, 50)):
+        Box(20, 30, 20)
+
+
+export_step(p.part, "/home/pali112/Build123d/debug.step")
+show_object(p)