diff --git a/src/build123d/build_enums.py b/src/build123d/build_enums.py
index 9d890fe..8f8059a 100644
--- a/src/build123d/build_enums.py
+++ b/src/build123d/build_enums.py
@@ -179,11 +179,12 @@ class Intrinsic(Enum):
 class Keep(Enum):
     """Split options"""
 
-    TOP = auto()
+    ALL = auto()
     BOTTOM = auto()
+    BOTH = auto()
     INSIDE = auto()
     OUTSIDE = auto()
-    BOTH = auto()
+    TOP = auto()
 
     def __repr__(self):
         return f"<{self.__class__.__name__}.{self.name}>"
diff --git a/src/build123d/topology/one_d.py b/src/build123d/topology/one_d.py
index 62993b7..b5a3acf 100644
--- a/src/build123d/topology/one_d.py
+++ b/src/build123d/topology/one_d.py
@@ -898,6 +898,10 @@ class Mixin1D(Shape):
     ) -> Self | list[Self] | None:
         """split and keep inside or outside"""
 
+    @overload
+    def split(self, tool: TrimmingTool, keep: Literal[Keep.ALL]) -> list[Self]:
+        """split and return the unordered pieces"""
+
     @overload
     def split(self, tool: TrimmingTool, keep: Literal[Keep.BOTH]) -> tuple[
         Self | list[Self] | None,
@@ -958,6 +962,14 @@ class Mixin1D(Shape):
         if isinstance(split_result, TopoDS_Compound):
             split_result = unwrap_topods_compound(split_result, True)
 
+        # For speed the user may just want all the objects which they
+        # can sort more efficiently then the generic algoritm below
+        if keep == Keep.ALL:
+            return ShapeList(
+                self.__class__.cast(part)
+                for part in get_top_level_topods_shapes(split_result)
+            )
+
         if not isinstance(tool, Plane):
             # Get a TopoDS_Face to work with from the tool
             if isinstance(trim_tool, TopoDS_Shell):
diff --git a/tests/test_direct_api.py b/tests/test_direct_api.py
index 4c10981..4dcbfaf 100644
--- a/tests/test_direct_api.py
+++ b/tests/test_direct_api.py
@@ -3248,6 +3248,12 @@ class TestShape(DirectApiTestCase):
         outer_vol = 5 * 5
         self.assertAlmostEqual(split.volume, outer_vol - inner_vol)
 
+    def test_split_keep_all(self):
+        shape = Box(1, 1, 1)
+        split_shape = shape.split(Plane.XY, keep=Keep.ALL)
+        self.assertTrue(isinstance(split_shape, ShapeList))
+        self.assertEqual(len(split_shape), 2)
+
     def test_split_edge_by_shell(self):
         edge = Edge.make_line((-5, 0, 0), (5, 0, 0))
         tool = Wire.make_rect(4, 4)