diff --git a/masque/builder/pather.py b/masque/builder/pather.py
index e8804d1..49ad3be 100644
--- a/masque/builder/pather.py
+++ b/masque/builder/pather.py
@@ -228,7 +228,17 @@ class Pather(PortList):
     @logged_op(lambda args: list(args['mapping'].keys()))
     def rename_ports(self, mapping: dict[str, str | None], overwrite: bool = False) -> Self:
         self.pattern.rename_ports(mapping, overwrite)
-        renamed: dict[str, list[RenderStep]] = {vv: self.paths.pop(kk) for kk, vv in mapping.items() if kk in self.paths and vv is not None}
+        renamed: dict[str, list[RenderStep]] = {}
+        for kk, vv in mapping.items():
+            if kk not in self.paths:
+                continue
+            steps = self.paths.pop(kk)
+            # Preserve deferred geometry even if the live port is deleted.
+            # `render()` can still materialize the saved steps using their stored start/end ports.
+            # Current semantics intentionally keep deleted ports' queued steps under the old key,
+            # so if a new live port later reuses that name it does not retarget the old geometry;
+            # the old and new routes merely share a render bucket until `render()` consumes them.
+            renamed[kk if vv is None else vv] = steps
         self.paths.update(renamed)
         return self
 
@@ -789,6 +799,9 @@ class PortPather:
     #
     # Delegate to port
     #
+    # These mutate only the selected live port state. They do not rewrite already planned
+    # RenderSteps, so deferred geometry remains as previously planned and only future routing
+    # starts from the updated port.
     def set_ptype(self, ptype: str) -> Self:
         for port in self.ports:
             self.pather.pattern[port].set_ptype(ptype)
@@ -865,8 +878,7 @@ class PortPather:
 
     def drop(self) -> Self:
         """ Remove selected ports from the pattern and the PortPather. """
-        for pp in self.ports:
-            del self.pather.pattern.ports[pp]
+        self.pather.rename_ports({pp: None for pp in self.ports})
         self.ports = []
         return self
 
@@ -880,7 +892,7 @@ class PortPather:
         if name is None:
             self.drop()
             return None
-        del self.pather.pattern.ports[name]
+        self.pather.rename_ports({name: None})
         self.ports = [pp for pp in self.ports if pp != name]
         return self
 
diff --git a/masque/builder/tools.py b/masque/builder/tools.py
index f8779bd..5b1a0a9 100644
--- a/masque/builder/tools.py
+++ b/masque/builder/tools.py
@@ -85,8 +85,8 @@ class RenderStep:
         new_start = self.start_port.copy()
         new_end = self.end_port.copy()
 
-        new_start.mirror(axis)
-        new_end.mirror(axis)
+        new_start.flip_across(axis=axis)
+        new_end.flip_across(axis=axis)
 
         return RenderStep(
             opcode = self.opcode,
@@ -240,7 +240,7 @@ class Tool:
             BuildError if an impossible or unsupported geometry is requested.
         """
         # Fallback implementation using traceL
-        port_names = kwargs.get('port_names', ('A', 'B'))
+        port_names = kwargs.pop('port_names', ('A', 'B'))
         tree = self.traceL(
             ccw,
             length,
@@ -288,7 +288,7 @@ class Tool:
             BuildError if an impossible or unsupported geometry is requested.
         """
         # Fallback implementation using traceS
-        port_names = kwargs.get('port_names', ('A', 'B'))
+        port_names = kwargs.pop('port_names', ('A', 'B'))
         tree = self.traceS(
             length,
             jog,
diff --git a/masque/file/dxf.py b/masque/file/dxf.py
index 0c19b5a..301910d 100644
--- a/masque/file/dxf.py
+++ b/masque/file/dxf.py
@@ -300,12 +300,57 @@ def _read_block(block: ezdxf.layouts.BlockLayout | ezdxf.layouts.Modelspace) ->
                 )
 
             if 'column_count' in attr:
-                args['repetition'] = Grid(
-                    a_vector=(attr['column_spacing'], 0),
-                    b_vector=(0, attr['row_spacing']),
-                    a_count=attr['column_count'],
-                    b_count=attr['row_count'],
+                col_spacing = attr['column_spacing']
+                row_spacing = attr['row_spacing']
+                col_count = attr['column_count']
+                row_count = attr['row_count']
+                local_x = numpy.array((col_spacing, 0.0))
+                local_y = numpy.array((0.0, row_spacing))
+                inv_rot = rotation_matrix_2d(-rotation)
+
+                candidates = (
+                    (inv_rot @ local_x, inv_rot @ local_y, col_count, row_count),
+                    (inv_rot @ local_y, inv_rot @ local_x, row_count, col_count),
                     )
+                repetition = None
+                for a_vector, b_vector, a_count, b_count in candidates:
+                    rotated_a = rotation_matrix_2d(rotation) @ a_vector
+                    rotated_b = rotation_matrix_2d(rotation) @ b_vector
+                    if (numpy.isclose(rotated_a[1], 0, atol=1e-8)
+                            and numpy.isclose(rotated_b[0], 0, atol=1e-8)
+                            and numpy.isclose(rotated_a[0], col_spacing, atol=1e-8)
+                            and numpy.isclose(rotated_b[1], row_spacing, atol=1e-8)
+                            and a_count == col_count
+                            and b_count == row_count):
+                        repetition = Grid(
+                            a_vector=a_vector,
+                            b_vector=b_vector,
+                            a_count=a_count,
+                            b_count=b_count,
+                            )
+                        break
+                    if (numpy.isclose(rotated_a[0], 0, atol=1e-8)
+                            and numpy.isclose(rotated_b[1], 0, atol=1e-8)
+                            and numpy.isclose(rotated_b[0], col_spacing, atol=1e-8)
+                            and numpy.isclose(rotated_a[1], row_spacing, atol=1e-8)
+                            and b_count == col_count
+                            and a_count == row_count):
+                        repetition = Grid(
+                            a_vector=a_vector,
+                            b_vector=b_vector,
+                            a_count=a_count,
+                            b_count=b_count,
+                            )
+                        break
+
+                if repetition is None:
+                    repetition = Grid(
+                        a_vector=inv_rot @ local_x,
+                        b_vector=inv_rot @ local_y,
+                        a_count=col_count,
+                        b_count=row_count,
+                        )
+                args['repetition'] = repetition
             pat.ref(**args)
         else:
             logger.warning(f'Ignoring DXF element {element.dxftype()} (not implemented).')
diff --git a/masque/file/oasis.py b/masque/file/oasis.py
index 5e343ea..95a2039 100644
--- a/masque/file/oasis.py
+++ b/masque/file/oasis.py
@@ -714,7 +714,7 @@ def properties_to_annotations(
                 string = repr(value)
                 logger.warning(f'Converting property value for key ({key}) to string ({string})')
                 values.append(string)
-        annotations[key] = values
+        annotations.setdefault(key, []).extend(values)
     return annotations
 
 
diff --git a/masque/label.py b/masque/label.py
index b662035..3dbbc08 100644
--- a/masque/label.py
+++ b/masque/label.py
@@ -78,6 +78,8 @@ class Label(PositionableImpl, RepeatableImpl, AnnotatableImpl, Bounded, Pivotabl
         return annotations_lt(self.annotations, other.annotations)
 
     def __eq__(self, other: Any) -> bool:
+        if type(self) is not type(other):
+            return False
         return (
             self.string == other.string
             and numpy.array_equal(self.offset, other.offset)
diff --git a/masque/library.py b/masque/library.py
index bb2e3d2..9d1f1b7 100644
--- a/masque/library.py
+++ b/masque/library.py
@@ -1037,6 +1037,18 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
             def label2name(label: tuple) -> str:        # noqa: ARG001
                 return self.get_name(SINGLE_USE_PREFIX + 'shape')
 
+        used_names = set(self.keys())
+
+        def reserve_target_name(label: tuple) -> str:
+            base_name = label2name(label)
+            name = base_name
+            ii = sum(1 for nn in used_names if nn.startswith(base_name)) if base_name in used_names else 0
+            while name in used_names or name == '':
+                name = base_name + b64suffix(ii)
+                ii += 1
+            used_names.add(name)
+            return name
+
         shape_counts: MutableMapping[tuple, int] = defaultdict(int)
         shape_funcs = {}
 
@@ -1053,6 +1065,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
                         shape_counts[label] += 1
 
         shape_pats = {}
+        target_names = {}
         for label, count in shape_counts.items():
             if count < threshold:
                 continue
@@ -1061,6 +1074,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
             shape_pat = Pattern()
             shape_pat.shapes[label[-1]] += [shape_func()]
             shape_pats[label] = shape_pat
+            target_names[label] = reserve_target_name(label)
 
         # ## Second pass ##
         for pat in tuple(self.values()):
@@ -1085,14 +1099,14 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
             #  For repeated shapes, create a `Pattern` holding a normalized shape object,
             # and add `pat.refs` entries for each occurrence in pat. Also, note down that
             # we should delete the `pat.shapes` entries for which we made `Ref`s.
-            shapes_to_remove = []
             for label, shape_entries in shape_table.items():
                 layer = label[-1]
-                target = label2name(label)
+                target = target_names[label]
+                shapes_to_remove = []
                 for ii, values in shape_entries:
                     offset, scale, rotation, mirror_x = values
                     pat.ref(target=target, offset=offset, scale=scale,
-                            rotation=rotation, mirrored=(mirror_x, False))
+                            rotation=rotation, mirrored=mirror_x)
                     shapes_to_remove.append(ii)
 
                 # Remove any shapes for which we have created refs.
@@ -1100,7 +1114,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
                     del pat.shapes[layer][ii]
 
         for ll, pp in shape_pats.items():
-            self[label2name(ll)] = pp
+            self[target_names[ll]] = pp
 
         return self
 
diff --git a/masque/ref.py b/masque/ref.py
index a40776a..b012365 100644
--- a/masque/ref.py
+++ b/masque/ref.py
@@ -122,6 +122,8 @@ class Ref(
         return annotations_lt(self.annotations, other.annotations)
 
     def __eq__(self, other: Any) -> bool:
+        if type(self) is not type(other):
+            return False
         return (
             numpy.array_equal(self.offset, other.offset)
             and self.mirrored == other.mirrored
diff --git a/masque/repetition.py b/masque/repetition.py
index a8de94c..99e1082 100644
--- a/masque/repetition.py
+++ b/masque/repetition.py
@@ -34,7 +34,7 @@ class Repetition(Copyable, Rotatable, Mirrorable, Scalable, Bounded, metaclass=A
         pass
 
     @abstractmethod
-    def __le__(self, other: 'Repetition') -> bool:
+    def __lt__(self, other: 'Repetition') -> bool:
         pass
 
     @abstractmethod
@@ -288,7 +288,7 @@ class Grid(Repetition):
             return False
         return True
 
-    def __le__(self, other: Repetition) -> bool:
+    def __lt__(self, other: Repetition) -> bool:
         if type(self) is not type(other):
             return repr(type(self)) < repr(type(other))
         other = cast('Grid', other)
@@ -347,7 +347,7 @@ class Arbitrary(Repetition):
             return False
         return numpy.array_equal(self.displacements, other.displacements)
 
-    def __le__(self, other: Repetition) -> bool:
+    def __lt__(self, other: Repetition) -> bool:
         if type(self) is not type(other):
             return repr(type(self)) < repr(type(other))
         other = cast('Arbitrary', other)
@@ -415,4 +415,3 @@ class Arbitrary(Repetition):
         """
         self.displacements = self.displacements * c
         return self
-
diff --git a/masque/shapes/arc.py b/masque/shapes/arc.py
index 6f948cb..4befb6d 100644
--- a/masque/shapes/arc.py
+++ b/masque/shapes/arc.py
@@ -422,7 +422,7 @@ class Arc(PositionableImpl, Shape):
         rotation %= 2 * pi
         width = self.width
 
-        return ((type(self), radii, norm_angles, width / norm_value),
+        return ((type(self), tuple(radii.tolist()), norm_angles, width / norm_value),
                 (self.offset, scale / norm_value, rotation, False),
                 lambda: Arc(
                     radii=radii * norm_value,
diff --git a/masque/shapes/ellipse.py b/masque/shapes/ellipse.py
index 8e3fd49..985d252 100644
--- a/masque/shapes/ellipse.py
+++ b/masque/shapes/ellipse.py
@@ -206,7 +206,7 @@ class Ellipse(PositionableImpl, Shape):
             radii = self.radii[::-1] / self.radius_y
             scale = self.radius_y
             angle = (self.rotation + pi / 2) % pi
-        return ((type(self), radii),
+        return ((type(self), tuple(radii.tolist())),
                 (self.offset, scale / norm_value, angle, False),
                 lambda: Ellipse(radii=radii * norm_value))
 
diff --git a/masque/shapes/text.py b/masque/shapes/text.py
index dec4c33..93f2024 100644
--- a/masque/shapes/text.py
+++ b/masque/shapes/text.py
@@ -108,6 +108,7 @@ class Text(PositionableImpl, RotatableImpl, Shape):
             and self.string == other.string
             and self.height == other.height
             and self.font_path == other.font_path
+            and self.mirrored == other.mirrored
             and self.rotation == other.rotation
             and self.repetition == other.repetition
             and annotations_eq(self.annotations, other.annotations)
@@ -127,6 +128,8 @@ class Text(PositionableImpl, RotatableImpl, Shape):
             return self.font_path < other.font_path
         if not numpy.array_equal(self.offset, other.offset):
             return tuple(self.offset) < tuple(other.offset)
+        if self.mirrored != other.mirrored:
+            return self.mirrored < other.mirrored
         if self.rotation != other.rotation:
             return self.rotation < other.rotation
         if self.repetition != other.repetition:
@@ -174,22 +177,25 @@ class Text(PositionableImpl, RotatableImpl, Shape):
                 (self.offset, self.height / norm_value, rotation, bool(self.mirrored)),
                 lambda: Text(
                     string=self.string,
-                    height=self.height * norm_value,
+                    height=norm_value,
                     font_path=self.font_path,
                     rotation=rotation,
                     ).mirror2d(across_x=self.mirrored),
                 )
 
-    def get_bounds_single(self) -> NDArray[numpy.float64]:
+    def get_bounds_single(self) -> NDArray[numpy.float64] | None:
         # rotation makes this a huge pain when using slot.advance and glyph.bbox(), so
         #  just convert to polygons instead
         polys = self.to_polygons()
+        if not polys:
+            return None
+
         pbounds = numpy.full((len(polys), 2, 2), nan)
         for pp, poly in enumerate(polys):
             pbounds[pp] = poly.get_bounds_nonempty()
         bounds = numpy.vstack((
-            numpy.min(pbounds[: 0, :], axis=0),
-            numpy.max(pbounds[: 1, :], axis=0),
+            numpy.min(pbounds[:, 0, :], axis=0),
+            numpy.max(pbounds[:, 1, :], axis=0),
             ))
 
         return bounds
diff --git a/masque/test/test_dxf.py b/masque/test/test_dxf.py
index 0c0a1a3..5b038c6 100644
--- a/masque/test/test_dxf.py
+++ b/masque/test/test_dxf.py
@@ -112,6 +112,38 @@ def test_dxf_manhattan_precision(tmp_path: Path):
     assert isinstance(ref.repetition, Grid), "Grid should be preserved for 90-degree rotation"
 
 
+def test_dxf_rotated_grid_roundtrip_preserves_basis_and_counts(tmp_path: Path):
+    lib = Library()
+    sub = Pattern()
+    sub.polygon("1", vertices=[[0, 0], [1, 0], [1, 1]])
+    lib["sub"] = sub
+
+    top = Pattern()
+    top.ref(
+        "sub",
+        offset=(0, 0),
+        rotation=numpy.pi / 2,
+        repetition=Grid(a_vector=(10, 0), a_count=3, b_vector=(0, 20), b_count=2),
+        )
+    lib["top"] = top
+
+    dxf_file = tmp_path / "rotated_grid.dxf"
+    dxf.writefile(lib, "top", dxf_file)
+
+    read_lib, _ = dxf.readfile(dxf_file)
+    read_top = read_lib.get("Model") or read_lib.get("top") or list(read_lib.values())[0]
+
+    target_name = next(k for k in read_top.refs if k.upper() == "SUB")
+    ref = read_top.refs[target_name][0]
+    assert isinstance(ref.repetition, Grid)
+    actual = ref.repetition.displacements
+    expected = Grid(a_vector=(10, 0), a_count=3, b_vector=(0, 20), b_count=2).displacements
+    assert_allclose(
+        actual[numpy.lexsort((actual[:, 1], actual[:, 0]))],
+        expected[numpy.lexsort((expected[:, 1], expected[:, 0]))],
+        )
+
+
 def test_dxf_read_legacy_polyline() -> None:
     doc = ezdxf.new()
     msp = doc.modelspace()
diff --git a/masque/test/test_label.py b/masque/test/test_label.py
index ad8c08b..f4f364b 100644
--- a/masque/test/test_label.py
+++ b/masque/test/test_label.py
@@ -46,3 +46,9 @@ def test_label_copy() -> None:
     assert l1 is not l2
     l2.offset[0] = 100
     assert l1.offset[0] == 1
+
+
+def test_label_eq_unrelated_objects_is_false() -> None:
+    lbl = Label("test")
+    assert not (lbl == None)
+    assert not (lbl == object())
diff --git a/masque/test/test_library.py b/masque/test/test_library.py
index e58bd10..6ac8536 100644
--- a/masque/test/test_library.py
+++ b/masque/test/test_library.py
@@ -6,7 +6,7 @@ from ..pattern import Pattern
 from ..error import LibraryError, PatternError
 from ..ports import Port
 from ..repetition import Grid
-from ..shapes import Path
+from ..shapes import Arc, Ellipse, Path, Text
 from ..file.utils import preflight
 
 if TYPE_CHECKING:
@@ -259,3 +259,88 @@ def test_library_dedup_shapes_does_not_merge_custom_capped_paths() -> None:
 
     assert not lib["top"].refs
     assert len(lib["top"].shapes[(1, 0)]) == 2
+
+
+def test_library_dedup_text_preserves_scale_and_mirror_flag() -> None:
+    lib = Library()
+    pat = Pattern()
+    pat.shapes[(1, 0)] += [
+        Text("A", 10, "dummy.ttf", offset=(0, 0)),
+        Text("A", 10, "dummy.ttf", offset=(100, 0)),
+        ]
+    lib["top"] = pat
+
+    lib.dedup(exclude_types=(), norm_value=5, threshold=2)
+
+    target_name = next(iter(lib["top"].refs))
+    refs = lib["top"].refs[target_name]
+    assert [ref.mirrored for ref in refs] == [False, False]
+    assert [ref.scale for ref in refs] == [2.0, 2.0]
+    assert cast("Text", lib[target_name].shapes[(1, 0)][0]).height == 5
+
+    flat = lib.flatten("top")["top"]
+    assert [cast("Text", shape).height for shape in flat.shapes[(1, 0)]] == [10, 10]
+
+
+def test_library_dedup_handles_arc_and_ellipse_labels() -> None:
+    lib = Library()
+    pat = Pattern()
+    pat.shapes[(1, 0)] += [
+        Arc(radii=(10, 20), angles=(0, 1), width=2, offset=(0, 0)),
+        Arc(radii=(10, 20), angles=(0, 1), width=2, offset=(50, 0)),
+        ]
+    pat.shapes[(2, 0)] += [
+        Ellipse(radii=(10, 20), offset=(0, 0)),
+        Ellipse(radii=(10, 20), offset=(50, 0)),
+        ]
+    lib["top"] = pat
+
+    lib.dedup(exclude_types=(), norm_value=1, threshold=2)
+
+    assert len(lib["top"].refs) == 2
+    assert lib["top"].shapes[(1, 0)] == []
+    assert lib["top"].shapes[(2, 0)] == []
+
+    flat = lib.flatten("top")["top"]
+    assert sum(isinstance(shape, Arc) for shape in flat.shapes[(1, 0)]) == 2
+    assert sum(isinstance(shape, Ellipse) for shape in flat.shapes[(2, 0)]) == 2
+
+
+def test_library_dedup_handles_multiple_duplicate_groups() -> None:
+    from ..shapes import Circle
+
+    lib = Library()
+    pat = Pattern()
+    pat.shapes[(1, 0)] += [Circle(radius=1, offset=(0, 0)), Circle(radius=1, offset=(10, 0))]
+    pat.shapes[(2, 0)] += [Path(vertices=[[0, 0], [5, 0]], width=2), Path(vertices=[[10, 0], [15, 0]], width=2)]
+    lib["top"] = pat
+
+    lib.dedup(exclude_types=(), norm_value=1, threshold=2)
+
+    assert len(lib["top"].refs) == 2
+    assert all(len(refs) == 2 for refs in lib["top"].refs.values())
+    assert len(lib["top"].shapes[(1, 0)]) == 0
+    assert len(lib["top"].shapes[(2, 0)]) == 0
+
+
+def test_library_dedup_uses_stable_target_names_per_label() -> None:
+    from ..shapes import Circle
+
+    lib = Library()
+
+    p1 = Pattern()
+    p1.shapes[(1, 0)] += [Circle(radius=1, offset=(0, 0)), Circle(radius=1, offset=(10, 0))]
+    lib["p1"] = p1
+
+    p2 = Pattern()
+    p2.shapes[(2, 0)] += [Path(vertices=[[0, 0], [5, 0]], width=2), Path(vertices=[[10, 0], [15, 0]], width=2)]
+    lib["p2"] = p2
+
+    lib.dedup(exclude_types=(), norm_value=1, threshold=2)
+
+    circle_target = next(iter(lib["p1"].refs))
+    path_target = next(iter(lib["p2"].refs))
+
+    assert circle_target != path_target
+    assert all(isinstance(shape, Circle) for shapes in lib[circle_target].shapes.values() for shape in shapes)
+    assert all(isinstance(shape, Path) for shapes in lib[path_target].shapes.values() for shape in shapes)
diff --git a/masque/test/test_oasis.py b/masque/test/test_oasis.py
index b1129f4..ad9bbf9 100644
--- a/masque/test/test_oasis.py
+++ b/masque/test/test_oasis.py
@@ -4,6 +4,8 @@ from numpy.testing import assert_equal
 
 from ..pattern import Pattern
 from ..library import Library
+
+
 def test_oasis_roundtrip(tmp_path: Path) -> None:
     # Skip if fatamorgana is not installed
     pytest.importorskip("fatamorgana")
@@ -23,3 +25,20 @@ def test_oasis_roundtrip(tmp_path: Path) -> None:
 
     # Check bounds
     assert_equal(read_lib["cell1"].get_bounds(), [[0, 0], [10, 10]])
+
+
+def test_oasis_properties_to_annotations_merges_repeated_keys() -> None:
+    pytest.importorskip("fatamorgana")
+    import fatamorgana.records as fatrec
+    from ..file.oasis import properties_to_annotations
+
+    annotations = properties_to_annotations(
+        [
+            fatrec.Property("k", [1], is_standard=False),
+            fatrec.Property("k", [2, 3], is_standard=False),
+        ],
+        {},
+        {},
+    )
+
+    assert annotations == {"k": [1, 2, 3]}
diff --git a/masque/test/test_pather_api.py b/masque/test/test_pather_api.py
index c837280..495d305 100644
--- a/masque/test/test_pather_api.py
+++ b/masque/test/test_pather_api.py
@@ -2,7 +2,7 @@ import pytest
 import numpy
 from numpy import pi
 from masque import Pather, RenderPather, Library, Pattern, Port
-from masque.builder.tools import PathTool
+from masque.builder.tools import PathTool, Tool
 from masque.error import BuildError
 
 def test_pather_trace_basic() -> None:
@@ -258,6 +258,36 @@ def test_pather_jog_failed_fallback_is_atomic() -> None:
     assert len(p.paths['A']) == 0
 
 
+def test_tool_planL_fallback_accepts_custom_port_names() -> None:
+    class DummyTool(Tool):
+        def traceL(self, ccw, length, *, in_ptype=None, out_ptype=None, port_names=('A', 'B'), **kwargs) -> Library:
+            lib = Library()
+            pat = Pattern()
+            pat.ports[port_names[0]] = Port((0, 0), 0, ptype='wire')
+            pat.ports[port_names[1]] = Port((length, 0), pi, ptype='wire')
+            lib['top'] = pat
+            return lib
+
+    out_port, _ = DummyTool().planL(None, 5, port_names=('X', 'Y'))
+    assert numpy.allclose(out_port.offset, (5, 0))
+    assert numpy.isclose(out_port.rotation, pi)
+
+
+def test_tool_planS_fallback_accepts_custom_port_names() -> None:
+    class DummyTool(Tool):
+        def traceS(self, length, jog, *, in_ptype=None, out_ptype=None, port_names=('A', 'B'), **kwargs) -> Library:
+            lib = Library()
+            pat = Pattern()
+            pat.ports[port_names[0]] = Port((0, 0), 0, ptype='wire')
+            pat.ports[port_names[1]] = Port((length, jog), pi, ptype='wire')
+            lib['top'] = pat
+            return lib
+
+    out_port, _ = DummyTool().planS(5, 2, port_names=('X', 'Y'))
+    assert numpy.allclose(out_port.offset, (5, 2))
+    assert numpy.isclose(out_port.rotation, pi)
+
+
 def test_pather_uturn_failed_fallback_is_atomic() -> None:
     lib = Library()
     tool = PathTool(layer='M1', width=2, ptype='wire')
@@ -270,3 +300,20 @@ def test_pather_uturn_failed_fallback_is_atomic() -> None:
     assert numpy.allclose(p.pattern.ports['A'].offset, (0, 0))
     assert p.pattern.ports['A'].rotation == 0
     assert len(p.paths['A']) == 0
+
+
+def test_renderpather_rename_to_none_keeps_pending_geometry_without_port() -> None:
+    lib = Library()
+    tool = PathTool(layer='M1', width=1000)
+    rp = RenderPather(lib, tools=tool)
+    rp.pattern.ports['A'] = Port((0, 0), rotation=0)
+
+    rp.at('A').straight(5000)
+    rp.rename_ports({'A': None})
+
+    assert 'A' not in rp.pattern.ports
+    assert len(rp.paths['A']) == 1
+
+    rp.render()
+    assert rp.pattern.has_shapes()
+    assert 'A' not in rp.pattern.ports
diff --git a/masque/test/test_ref.py b/masque/test/test_ref.py
index c1dbf26..d3e9778 100644
--- a/masque/test/test_ref.py
+++ b/masque/test/test_ref.py
@@ -87,3 +87,9 @@ def test_ref_scale_by_rejects_nonpositive_scale() -> None:
 
     with pytest.raises(MasqueError, match='Scale must be positive'):
         ref.scale_by(-1)
+
+
+def test_ref_eq_unrelated_objects_is_false() -> None:
+    ref = Ref()
+    assert not (ref == None)
+    assert not (ref == object())
diff --git a/masque/test/test_renderpather.py b/masque/test/test_renderpather.py
index 3ad0d95..0da9588 100644
--- a/masque/test/test_renderpather.py
+++ b/masque/test/test_renderpather.py
@@ -65,6 +65,17 @@ def test_renderpather_bend(rpather_setup: tuple[RenderPather, PathTool, Library]
     assert_allclose(path_shape.vertices, [[0, 0], [0, -10], [0, -20], [-1, -20]], atol=1e-10)
 
 
+def test_renderpather_mirror_preserves_planned_bend_geometry(rpather_setup: tuple[RenderPather, PathTool, Library]) -> None:
+    rp, tool, lib = rpather_setup
+    rp.at("start").straight(10).cw(10)
+
+    rp.mirror(0)
+    rp.render()
+
+    path_shape = cast("Path", rp.pattern.shapes[(1, 0)][0])
+    assert_allclose(path_shape.vertices, [[0, 0], [0, 10], [0, 20], [-1, 20]], atol=1e-10)
+
+
 def test_renderpather_retool(rpather_setup: tuple[RenderPather, PathTool, Library]) -> None:
     rp, tool1, lib = rpather_setup
     tool2 = PathTool(layer=(2, 0), width=4, ptype="wire")
@@ -79,6 +90,22 @@ def test_renderpather_retool(rpather_setup: tuple[RenderPather, PathTool, Librar
     assert len(rp.pattern.shapes[(2, 0)]) == 1
 
 
+def test_portpather_translate_only_affects_future_steps(rpather_setup: tuple[RenderPather, PathTool, Library]) -> None:
+    rp, tool, lib = rpather_setup
+    pp = rp.at("start")
+    pp.straight(10)
+    pp.translate((5, 0))
+    pp.straight(10)
+
+    rp.render()
+
+    shapes = rp.pattern.shapes[(1, 0)]
+    assert len(shapes) == 2
+    assert_allclose(cast("Path", shapes[0]).vertices, [[0, 0], [0, -10]], atol=1e-10)
+    assert_allclose(cast("Path", shapes[1]).vertices, [[5, -10], [5, -20]], atol=1e-10)
+    assert_allclose(rp.ports["start"].offset, [5, -20], atol=1e-10)
+
+
 def test_renderpather_dead_ports() -> None:
     lib = Library()
     tool = PathTool(layer=(1, 0), width=1)
@@ -121,6 +148,20 @@ def test_renderpather_rename_port(rpather_setup: tuple[RenderPather, PathTool, L
     assert_allclose(rp.ports["new_start"].offset, [0, -20], atol=1e-10)
 
 
+def test_renderpather_drop_keeps_pending_geometry_without_port(rpather_setup: tuple[RenderPather, PathTool, Library]) -> None:
+    rp, tool, lib = rpather_setup
+    rp.at("start").straight(10).drop()
+
+    assert "start" not in rp.ports
+    assert len(rp.paths["start"]) == 1
+
+    rp.render()
+    assert rp.pattern.has_shapes()
+    assert "start" not in rp.ports
+    path_shape = cast("Path", rp.pattern.shapes[(1, 0)][0])
+    assert_allclose(path_shape.vertices, [[0, 0], [0, -10]], atol=1e-10)
+
+
 def test_pathtool_traceL_bend_geometry_matches_ports() -> None:
     tool = PathTool(layer=(1, 0), width=2, ptype="wire")
 
diff --git a/masque/test/test_repetition.py b/masque/test/test_repetition.py
index 5ef2fa9..f423ab2 100644
--- a/masque/test/test_repetition.py
+++ b/masque/test/test_repetition.py
@@ -49,3 +49,17 @@ def test_arbitrary_transform() -> None:
     # self.displacements[:, 1 - axis] *= -1
     # if axis=0, 1-axis=1, so y *= -1
     assert_allclose(arb.displacements, [[0, -10]], atol=1e-10)
+
+
+def test_repetition_less_equal_includes_equality() -> None:
+    grid_a = Grid(a_vector=(10, 0), a_count=2)
+    grid_b = Grid(a_vector=(10, 0), a_count=2)
+    assert grid_a == grid_b
+    assert grid_a <= grid_b
+    assert grid_a >= grid_b
+
+    arb_a = Arbitrary([[0, 0], [1, 0]])
+    arb_b = Arbitrary([[0, 0], [1, 0]])
+    assert arb_a == arb_b
+    assert arb_a <= arb_b
+    assert arb_a >= arb_b
diff --git a/masque/test/test_shape_advanced.py b/masque/test/test_shape_advanced.py
index 4e38e55..046df1a 100644
--- a/masque/test/test_shape_advanced.py
+++ b/masque/test/test_shape_advanced.py
@@ -27,6 +27,33 @@ def test_text_to_polygons() -> None:
     assert len(set(char_x_means)) >= 2
 
 
+def test_text_bounds_and_normalized_form() -> None:
+    pytest.importorskip("freetype")
+    font_path = "/usr/share/fonts/truetype/dejavu/DejaVuMathTeXGyre.ttf"
+    if not Path(font_path).exists():
+        pytest.skip("Font file not found")
+
+    text = Text("Hi", height=10, font_path=font_path)
+    _intrinsic, extrinsic, ctor = text.normalized_form(5)
+    normalized = ctor()
+
+    assert extrinsic[1] == 2
+    assert normalized.height == 5
+
+    bounds = text.get_bounds_single()
+    assert bounds is not None
+    assert numpy.isfinite(bounds).all()
+    assert numpy.all(bounds[1] > bounds[0])
+
+
+def test_text_mirroring_affects_comparison() -> None:
+    text = Text("A", height=10, font_path="dummy.ttf")
+    mirrored = Text("A", height=10, font_path="dummy.ttf", mirrored=True)
+
+    assert text != mirrored
+    assert (text < mirrored) != (mirrored < text)
+
+
 # 2. Manhattanization tests
 def test_manhattanize() -> None:
     pytest.importorskip("float_raster")