diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4b55065..4df0f9f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.3.6]
+
+- change pin length from 100nm to 10nm
+
 ## [1.3.5](https://github.com/gdsfactory/ubc/pull/9)
 
 - pins are compatible with siepic
diff --git a/requirements.txt b/requirements.txt
index b17d8bf1..cee563bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 -e .
 lygadgets
-gdsfactory[full]==4.3.8
+gdsfactory[full]==4.4.0
 modes
diff --git a/ubcpdk/components/__init__.py b/ubcpdk/components/__init__.py
index 3d9ade98..12c3c456 100644
--- a/ubcpdk/components/__init__.py
+++ b/ubcpdk/components/__init__.py
@@ -16,8 +16,6 @@
     y_adiabatic,
     y_splitter,
     bend_euler,
-)
-from ubcpdk.components.crossing import (
     crossing,
     ring_with_crossing,
 )
diff --git a/ubcpdk/components/add_fiber_array.py b/ubcpdk/components/add_fiber_array.py
index ae2cb94c..461ac0a8 100644
--- a/ubcpdk/components/add_fiber_array.py
+++ b/ubcpdk/components/add_fiber_array.py
@@ -177,6 +177,7 @@ def add_fiber_array(
     # c = gc_tm1550()
     # print(c.get_ports_array())
     # print(c.ports.keys())
-    c = pdk.straight()
+    # c = pdk.straight()
+    c = pdk.mzi()
     c = add_fiber_array(component=c)
     c.show()
diff --git a/ubcpdk/components/cells.py b/ubcpdk/components/cells.py
index 55488c15..fa5cdf4d 100644
--- a/ubcpdk/components/cells.py
+++ b/ubcpdk/components/cells.py
@@ -7,40 +7,46 @@ def y_splitter() -> Component:
 
 import gdsfactory as gf
 from gdsfactory.add_pins import add_pins_bbox_siepic
-from ubcpdk.import_gds import import_gds
+from ubcpdk.import_gds import import_gds_siepic_pins
 
 from ubcpdk.components.straight import straight
 
 
 dc_broadband_te = gf.partial(
-    import_gds,
+    import_gds_siepic_pins,
     "ebeam_bdc_te1550.gds",
     doc="Broadband directional coupler TE1550 50/50 power.",
 )
 
 dc_broadband_tm = gf.partial(
-    import_gds,
+    import_gds_siepic_pins,
     "ebeam_bdc_tm1550.gds",
     doc="Broadband directional coupler TM1550 50/50 power.",
 )
 
 dc_adiabatic = gf.partial(
-    import_gds,
+    import_gds_siepic_pins,
     "ebeam_adiabatic_te1550.gds",
     doc="Adiabatic directional coupler TE1550 50/50 power.",
 )
 
 y_adiabatic = gf.partial(
-    import_gds,
+    import_gds_siepic_pins,
     "ebeam_y_adiabatic.gds",
     doc="Adiabatic Y junction TE1550 50/50 power.",
 )
 
 y_splitter = gf.partial(
-    import_gds,
+    import_gds_siepic_pins,
     "ebeam_y_1550.gds",
     doc="Y junction TE1550 50/50 power.",
 )
+crossing = gf.partial(
+    import_gds_siepic_pins,
+    "ebeam_crossing4.gds",
+    doc="TE waveguide crossing.",
+)
+
 
 bend_euler = gf.partial(gf.components.bend_euler, decorator=add_pins_bbox_siepic)
 mzi = gf.partial(
@@ -50,6 +56,7 @@ def y_splitter() -> Component:
 ebeam_dc_halfring_straight = gf.partial(gf.components.coupler_ring)
 ebeam_dc_te1550 = gf.partial(gf.components.coupler)
 spiral = gf.partial(gf.components.spiral_external_io)
+ring_with_crossing = gf.partial(gf.components.ring_single_dut, component=crossing)
 
 
 if __name__ == "__main__":
@@ -63,7 +70,7 @@ def y_splitter() -> Component:
     # print(c.ports.keys())
     # c = straight()
     # c = add_fiber_array(component=c)
-    c = mzi(splitter=y_splitter)
+    # c = mzi(splitter=y_splitter)
     # c = gc_te1550()
 
     # c = y_splitter()
diff --git a/ubcpdk/components/crossing.py b/ubcpdk/components/crossing.py
deleted file mode 100644
index f34144b1..00000000
--- a/ubcpdk/components/crossing.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from gdsfactory.component import Component
-from gdsfactory.components.ring_single_dut import ring_single_dut
-
-from ubcpdk.import_gds import import_gds
-
-
-def crossing() -> Component:
-    """TE waveguide crossing."""
-    return import_gds("ebeam_crossing4.gds")
-
-
-def ring_with_crossing(**kwargs) -> Component:
-    return ring_single_dut(component=crossing(), **kwargs)
-
-
-if __name__ == "__main__":
-    c = ring_with_crossing()
-    c.show()
diff --git a/ubcpdk/import_gds.py b/ubcpdk/import_gds.py
index a2d54a0b..461740ec 100644
--- a/ubcpdk/import_gds.py
+++ b/ubcpdk/import_gds.py
@@ -75,23 +75,21 @@ def add_ports(component: Component) -> Component:
                 c.add_port(port)
         return c
 
+
 def add_ports_from_siepic_pins(
-        component: Component,
-        optical_pin_layer: Layer = LAYER.PORT,
-        electrical_pin_layer: Layer = LAYER.PORTE,
+    component: Component,
+    optical_pin_layer: Layer = LAYER.PORT,
+    electrical_pin_layer: Layer = LAYER.PORTE,
 ) -> Component:
     """Add ports from SiEPIC-type cells.
-        Looks for label, path pairs
-
-        Args:
-            component: component
-            optical_pin_layer: layer for optical pins
-            electrical_pin_layer: layer for electrical pins
-        """
-    pin_layers = {
-        'optical': optical_pin_layer,
-        'electrical': electrical_pin_layer
-    }
+    Looks for label, path pairs
+
+    Args:
+        component: component
+        optical_pin_layer: layer for optical pins
+        electrical_pin_layer: layer for electrical pins
+    """
+    pin_layers = {"optical": optical_pin_layer, "electrical": electrical_pin_layer}
     from numpy import arctan2, degrees, isclose
 
     # TODO: Add opt-in ports for Lumerical Interconnect simulations
@@ -114,12 +112,12 @@ def add_ports_from_siepic_pins(
                 label = l
                 labels.pop(i)
         if label is None:
-            print(f'Warning: label not found for path: ({p1}, {p2})')
+            print(f"Warning: label not found for path: ({p1}, {p2})")
             continue
         if optical_pin_layer[0] in path.layers:
-            port_type = 'optical'
+            port_type = "optical"
         elif electrical_pin_layer[0] in pin_layers:
-            port_type = 'electrical'
+            port_type = "electrical"
         else:
             continue
 
@@ -128,7 +126,7 @@ def add_ports_from_siepic_pins(
         # If the port name is already used, add a number to it
         i = 1
         while port_name in c.ports:
-            port_name += f'_{i}'
+            port_name += f"_{i}"
 
         angle = round(degrees(arctan2(p2[1] - p1[1], p2[0] - p1[0])) % 360)
         port = Port(
@@ -137,34 +135,35 @@ def add_ports_from_siepic_pins(
             width=path.widths[0][0],
             orientation=angle,
             layer=pin_layers[port_type],
-            port_type=port_type
+            port_type=port_type,
         )
 
         c.add_port(port)
     return c
 
+
 def add_siepic_labels(
-        component: Component,
-        component_name_label: str = None,
-        library: str = 'Design kits/ebeam',
-        label_layer: Layer = LAYER.DEVREC
+    component: Component,
+    component_name_label: str = None,
+    library: str = "Design kits/ebeam",
+    label_layer: Layer = LAYER.DEVREC,
 ) -> Component:
     """
-        Args:
-            component: component
-            component_name_label: name of component for SiEPIC label (defaults to component name)
-            library: Lumerical Interconnect library for SiEPIC label
-            label_layer: layer for writing SiEPIC labels
+    Args:
+        component: component
+        component_name_label: name of component for SiEPIC label (defaults to component name)
+        library: Lumerical Interconnect library for SiEPIC label
+        label_layer: layer for writing SiEPIC labels
     """
     c = component
 
     c.add_label(
-        text=f'Component={c.name if not component_name_label else component_name_label}',
+        text=f"Component={c.name if not component_name_label else component_name_label}",
         position=c.center + (0, c.size_info.height / 6),
         layer=label_layer,
     )
     c.add_label(
-        text=f'Lumerical_INTERCONNECT_library={library}',
+        text=f"Lumerical_INTERCONNECT_library={library}",
         position=c.center - (0, c.size_info.height / 6),
         layer=label_layer,
     )
@@ -188,13 +187,17 @@ def add_siepic_labels(
     add_pins_bbox_siepic,
     gf.port.auto_rename_ports,
     remove_pins,
-    add_ports_from_siepic_pins
+    add_ports_from_siepic_pins,
+)
+
+import_gds_siepic_pins = gf.partial(
+    gf.import_gds, gdsdir=PATH.gds, decorator=add_ports_renamed_siepic
 )
-import_gds_siepic_pins = gf.partial(gf.import_gds, gdsdir=PATH.gds, decorator=add_ports_renamed_siepic)
 
 
 if __name__ == "__main__":
     gdsname = "ebeam_crossing4.gds"
+    gdsname = "ebeam_y_1550.gds"
     c = import_gds_siepic_pins(gdsname)
     # print(c.ports)
     c.show(show_ports=False)
diff --git a/ubcpdk/tech.py b/ubcpdk/tech.py
index 5cb7e075..74191400 100644
--- a/ubcpdk/tech.py
+++ b/ubcpdk/tech.py
@@ -36,7 +36,7 @@ class LayerMapUbc:
     WG2: Layer = (31, 0)
     DEVREC: Layer = (68, 0)
     LABEL: Layer = (10, 0)
-    PORT: Layer = (1, 10)   # PinRec
+    PORT: Layer = (1, 10)  # PinRec
     PORTE: Layer = (1, 11)  # PinRecM
     FLOORPLAN: Layer = (99, 0)
 
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/bend_euler_92fd2590.gds b/ubcpdk/tests/test_components.gds/gds_ref/bend_euler_92fd2590.gds
index 3261ca2f..8ff44432 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/bend_euler_92fd2590.gds and b/ubcpdk/tests/test_components.gds/gds_ref/bend_euler_92fd2590.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_adiabatic_te1550.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_adiabatic_te1550.gds
index 0b1e0396..8354d169 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_adiabatic_te1550.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_adiabatic_te1550.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_te1550.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_te1550.gds
index 4da91baf..b2c638cc 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_te1550.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_te1550.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_tm1550.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_tm1550.gds
index 35367c47..28660224 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_tm1550.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_bdc_tm1550.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_crossing4.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_crossing4.gds
index 09d28f13..84ceaf3f 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_crossing4.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_crossing4.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_1550.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_1550.gds
index a120b683..55956a18 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_1550.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_1550.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_adiabatic.gds b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_adiabatic.gds
index 2dd53d35..688bffc2 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_adiabatic.gds and b/ubcpdk/tests/test_components.gds/gds_ref/ebeam_y_adiabatic.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/ring_single_dut_aa824f1c.gds b/ubcpdk/tests/test_components.gds/gds_ref/ring_single_dut_aa824f1c.gds
new file mode 100644
index 00000000..ec00d1f2
Binary files /dev/null and b/ubcpdk/tests/test_components.gds/gds_ref/ring_single_dut_aa824f1c.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/rotate_f258530e.gds b/ubcpdk/tests/test_components.gds/gds_ref/rotate_f258530e.gds
index c40163fd..8c6fb52a 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/rotate_f258530e.gds and b/ubcpdk/tests/test_components.gds/gds_ref/rotate_f258530e.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_strai_83238d66.gds b/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_strai_83238d66.gds
index 185ed324..c69a9eaf 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_strai_83238d66.gds and b/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_strai_83238d66.gds differ
diff --git a/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_straight.gds b/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_straight.gds
index 9ca6ecee..7af52000 100644
Binary files a/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_straight.gds and b/ubcpdk/tests/test_components.gds/gds_ref/straight_87bde41b_straight.gds differ
diff --git a/ubcpdk/tests/test_components/test_pdk_settings_ring_with_crossing_.yml b/ubcpdk/tests/test_components/test_pdk_settings_ring_with_crossing_.yml
index 05e2ea0a..acf998bd 100644
--- a/ubcpdk/tests/test_components/test_pdk_settings_ring_with_crossing_.yml
+++ b/ubcpdk/tests/test_components/test_pdk_settings_ring_with_crossing_.yml
@@ -1,8 +1,17 @@
 settings:
   changed:
     component:
-      settings: {}
-      version: 0.0.1
+      decorator:
+      - function: add_ports_from_siepic_pins
+      - function: remove_pins
+      - function: auto_rename_ports
+      - - function: add_bbox_siepic
+        - function: add_pins_siepic
+      - function: add_siepic_labels
+      doc: TE waveguide crossing.
+      function: import_gds
+      gdsdir: gds
+      gdspath: ebeam_crossing4.gds
   child: {}
   default:
     bend:
@@ -24,8 +33,17 @@ settings:
     bend:
       function: bend_euler
     component:
-      settings: {}
-      version: 0.0.1
+      decorator:
+      - function: add_ports_from_siepic_pins
+      - function: remove_pins
+      - function: auto_rename_ports
+      - - function: add_bbox_siepic
+        - function: add_pins_siepic
+      - function: add_siepic_labels
+      doc: TE waveguide crossing.
+      function: import_gds
+      gdsdir: gds
+      gdspath: ebeam_crossing4.gds
     coupler:
       function: coupler_ring
     gap: 0.2
@@ -40,5 +58,5 @@ settings:
   info: {}
   info_version: 2
   module: gdsfactory.components.ring_single_dut
-  name: ring_single_dut_9c01015b
+  name: ring_single_dut_aa824f1c
 version: 0.0.1