diff --git a/libraries/bxdf/standard_surface.mtlx b/libraries/bxdf/standard_surface.mtlx
index c7de68929a..9d4d23551e 100644
--- a/libraries/bxdf/standard_surface.mtlx
+++ b/libraries/bxdf/standard_surface.mtlx
@@ -81,7 +81,7 @@
     <input name="coat_affect_roughness" type="float" value="0" uimin="0" uimax="1" uiname="Coat Affect Roughness" uifolder="Coat" uiadvanced="true"
            doc="Controls the roughness of the specular reflection in the layers below the clear-coat." />
     <input name="thin_film_thickness" type="float" value="0" uimin="0.0" uisoftmax="2000.0" uiname="Thin Film Thickness" uifolder="Thin Film" uiadvanced="true"
-           doc="The thickness of the thin film layer on a surface. Use for materials such as multitone car paint or soap bubbles." />
+           doc="The thickness of the thin film layer on a surface. Use for materials such as multitone car paint or soap bubbles (in nanometers)." />
     <input name="thin_film_IOR" type="float" value="1.5" uimin="0.0" uisoftmin="1.0" uisoftmax="3.0" uiname="Thin Film Index of Refraction" uifolder="Thin Film" uiadvanced="true"
            doc="The index of refraction of the medium surrounding the material." />
     <input name="emission" type="float" value="0" uimin="0.0" uisoftmax="1.0" uiname="Emission" uifolder="Emission"
diff --git a/libraries/bxdf/translation/open_pbr_to_standard_surface.mtlx b/libraries/bxdf/translation/open_pbr_to_standard_surface.mtlx
new file mode 100644
index 0000000000..bff214fc19
--- /dev/null
+++ b/libraries/bxdf/translation/open_pbr_to_standard_surface.mtlx
@@ -0,0 +1,362 @@
+<?xml version="1.0"?>
+<materialx version="1.38">
+
+  <nodedef name="ND_open_pbr_surface_to_standard_surface" node="open_pbr_surface_to_standard_surface" nodegroup="translation">
+    <input name="base_weight" type="float" value="1.0" />
+    <input name="base_color" type="color3" value="0.8, 0.8, 0.8" />
+    <input name="base_diffuse_roughness" type="float" value="0.0" />
+    <input name="base_metalness" type="float" value="0.0" />
+
+    <input name="specular_weight" type="float" value="1.0" />
+    <input name="specular_color" type="color3" value="1, 1, 1" />
+    <input name="specular_roughness" type="float" value="0.3" />
+    <input name="specular_ior" type="float" value="1.5" />
+    <input name="specular_roughness_anisotropy" type="float" value="0.0" />
+
+    <input name="transmission_weight" type="float" value="0.0" />
+    <input name="transmission_color" type="color3" value="1, 1, 1" />
+    <input name="transmission_depth" type="float" value="0.0" />
+    <input name="transmission_scatter" type="color3" value="0, 0, 0" />
+    <input name="transmission_scatter_anisotropy" type="float" value="0.0" />
+    <input name="transmission_dispersion_scale" type="float" value="0.0" />
+
+    <input name="subsurface_weight" type="float" value="0" />
+    <input name="subsurface_color" type="color3" value="0.8, 0.8, 0.8" />
+    <input name="subsurface_radius" type="float" value="1.0" />
+    <input name="subsurface_radius_scale" type="color3" value="1.0, 0.5, 0.25" />
+    <input name="subsurface_scatter_anisotropy" type="float" value="0.0" />
+
+    <input name="fuzz_weight" type="float" value="0.0" />
+    <input name="fuzz_color" type="color3" value="1, 1, 1" />
+    <input name="fuzz_roughness" type="float" value="0.5" />
+
+    <input name="coat_weight" type="float" value="0.0" />
+    <input name="coat_color" type="color3" value="1, 1, 1" />
+    <input name="coat_roughness" type="float" value="0.0" />
+    <input name="coat_roughness_anisotropy" type="float" value="0.0" />
+    <input name="coat_ior" type="float" value="1.6" />
+    <input name="coat_darkening" type="float" value="1.0" />
+
+    <input name="thin_film_weight" type="float" value="0" />
+    <input name="thin_film_thickness" type="float" value="0.5" />
+    <input name="thin_film_ior" type="float" value="1.4" />
+
+    <input name="emission_luminance" type="float" value="0.0" />
+    <input name="emission_color" type="color3" value="1, 1, 1" />
+
+    <input name="geometry_opacity" type="float" value="1" />
+    <input name="geometry_thin_walled" type="boolean" value="false" />
+
+    <!--Outputs-->
+    <output name="base_out" type="float" />
+    <output name="base_color_out" type="color3" />
+    <output name="diffuse_roughness_out" type="float" />
+    <output name="metalness_out" type="float" />
+
+    <output name="specular_out" type="float"/>
+    <output name="specular_color_out" type="color3" />
+    <output name="specular_roughness_out" type="float" />
+    <output name="specular_IOR_out" type="float" />
+    <output name="specular_anisotropy_out" type="float" />
+
+    <output name="transmission_out" type="float" />
+    <output name="transmission_color_out" type="color3" />
+    <output name="transmission_depth_out" type="float" />
+    <output name="transmission_scatter_out" type="color3" />
+    <output name="transmission_scatter_anisotropy_out" type="float" />
+    <output name="transmission_dispersion_out" type="float" />
+
+    <output name="subsurface_out" type="float" />
+    <output name="subsurface_color_out" type="color3" />
+    <output name="subsurface_radius_out" type="color3" />
+    <output name="subsurface_scale_out" type="float" />
+    <output name="subsurface_anisotropy_out" type="float" />
+
+    <output name="sheen_out" type="float" />
+    <output name="sheen_color_out" type="color3" />
+    <output name="sheen_roughness_out" type="float" />
+
+    <output name="coat_out" type="float" />
+    <output name="coat_color_out" type="color3" />
+    <output name="coat_roughness_out" type="float" />
+    <output name="coat_anisotropy_out" type="float" />
+    <output name="coat_IOR_out" type="float" />
+    <output name="coat_affect_roughness_out" type="float" />
+
+    <output name="thin_film_thickness_out" type="float" />
+    <output name="thin_film_IOR_out" type="float" />
+
+    <output name="emission_out" type="float" />
+    <output name="emission_color_out" type="color3" />
+
+    <output name="opacity_out" type="color3" />
+    <output name="thin_walled_out" type="boolean" />
+  </nodedef>
+
+  <nodegraph name="NG_open_pbr_surface_to_standard_surface" nodedef="ND_open_pbr_surface_to_standard_surface">
+
+    <!-- Coat Darkening -->
+    <subtract name="coat_ior_minus_one" type="float">
+      <input name="in1" type="float" interfacename="coat_ior" />
+      <input name="in2" type="float" value="1.0" />
+    </subtract>
+    <add name="coat_ior_plus_one" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" interfacename="coat_ior" />
+    </add>
+    <divide name="coat_ior_to_F0_sqrt" type="float">
+      <input name="in1" type="float" nodename="coat_ior_minus_one" />
+      <input name="in2" type="float" nodename="coat_ior_plus_one" />
+    </divide>
+    <multiply name="coat_ior_to_F0" type="float">
+      <input name="in1" type="float" nodename="coat_ior_to_F0_sqrt" />
+      <input name="in2" type="float" nodename="coat_ior_to_F0_sqrt" />
+    </multiply>
+    <!-- approximate Kcoat, "internal diffuse reflection coefficient" of coat  -->
+    <subtract name="one_minus_coat_F0" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="coat_ior_to_F0" />
+    </subtract>
+    <multiply name="coat_ior_sqr" type="float">
+      <input name="in1" type="float" interfacename="coat_ior" />
+      <input name="in2" type="float" interfacename="coat_ior" />
+    </multiply>
+    <divide name="one_minus_coat_F0_over_eta2" type="float">
+      <input name="in1" type="float" nodename="one_minus_coat_F0" />
+      <input name="in2" type="float" nodename="coat_ior_sqr" />
+    </divide>
+    <subtract name="Kcoat" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="one_minus_coat_F0_over_eta2" />
+    </subtract>
+    <!-- approximate base metal albedo estimate, Emetal  -->
+    <multiply name="Emetal" type="color3">
+      <input name="in1" type="color3" interfacename="base_color" />
+      <input name="in2" type="float" interfacename="specular_weight" />
+    </multiply>
+    <!-- approximate base dielectric albedo estimate, Edielectric  -->
+    <mix name="Edielectric" type="color3">
+      <input name="fg" type="color3" interfacename="subsurface_color" />
+      <input name="bg" type="color3" interfacename="base_color" />
+      <input name="mix" type="float" interfacename="subsurface_weight" />
+    </mix>
+    <!-- thus calculate overall base albedo estimate approximation, Ebase  -->
+    <mix name="Ebase" type="color3">
+      <input name="fg" type="color3" nodename="Emetal" />
+      <input name="bg" type="color3" nodename="Edielectric" />
+      <input name="mix" type="float" interfacename="base_metalness" />
+    </mix>
+    <!-- final base darkening factor due to coat:  base_darkening = (1 - Kcoat) / (1 - Ebase*Kcoat)  -->
+    <multiply name="Ebase_Kcoat" type="color3">
+      <input name="in1" type="color3" nodename="Ebase" />
+      <input name="in2" type="float" nodename="Kcoat" />
+    </multiply>
+    <subtract name="one_minus_Kcoat" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="Kcoat" />
+    </subtract>
+    <subtract name="one_minus_Ebase_Kcoat" type="color3">
+      <input name="in1" type="color3" value="1.0, 1.0, 1.0" />
+      <input name="in2" type="color3" nodename="Ebase_Kcoat" />
+    </subtract>
+    <convert name="one_minus_Kcoat_color" type="color3">
+      <input name="in" type="float" nodename="one_minus_Kcoat" />
+    </convert>
+    <divide name="base_darkening" type="color3">
+      <input name="in1" type="color3" nodename="one_minus_Kcoat_color" />
+      <input name="in2" type="color3" nodename="one_minus_Ebase_Kcoat" />
+    </divide>
+    <multiply name="coat_weight_times_coat_darkening" type="float">
+      <input name="in1" type="float" interfacename="coat_weight" />
+      <input name="in2" type="float" interfacename="coat_darkening" />
+    </multiply>
+    <mix name="modulated_base_darkening" type="color3">
+      <input name="fg" type="color3" nodename="base_darkening" />
+      <input name="bg" type="color3" value="1.0, 1.0, 1.0" />
+      <input name="mix" type="float" nodename="coat_weight_times_coat_darkening" />
+    </mix>
+
+    <!--Base-->
+    <dot name="base" type="float">
+      <input name="in" type="float" interfacename="base_weight" />
+    </dot>
+    <dot name="diffuseRoughness" type="float">
+      <input name="in" type="float" interfacename="base_diffuse_roughness" />
+    </dot>
+    <dot name="metalness" type="float">
+      <input name="in" type="float" interfacename="base_metalness" />
+    </dot>
+    <multiply name="baseColor" type="color3">
+      <input name="in1" type="color3" interfacename="base_color" />
+      <input name="in2" type="color3" nodename="modulated_base_darkening" />
+    </multiply>
+
+    <!--Specular-->
+    <dot name="spec" type="float">
+      <input name="in" type="float" interfacename="specular_weight" />
+    </dot>
+    <dot name="specColor" type="color3">
+      <input name="in" type="color3" interfacename="specular_color" />
+    </dot>
+    <!--Allows override of specular_roughness by coat_roughness for materials with coat, but not for simpler materials that don't leverage coat at all.-->
+    <mix name="specRoughness" type="float">
+      <input name="fg" type="float" interfacename="coat_roughness" />
+      <input name="bg" type="float" interfacename="specular_roughness" />
+      <input name="mix" type="float" interfacename="coat_weight" />
+    </mix>
+    <dot name="specIOR" type="float">
+      <input name="in" type="float" interfacename="specular_ior" />
+    </dot>
+    <!--The logic for anisotropic specular is noticeably different between Standard Surface and OpenPBR, so the translation between these concepts will take more thought.-->
+    <dot name="specAnisotropy" type="float">
+      <input name="in" type="float" interfacename="specular_roughness_anisotropy" />
+    </dot>
+
+    <!--Transmission-->
+    <dot name="transmission" type="float">
+      <input name="in" type="float" interfacename="transmission_weight" />
+    </dot>
+    <dot name="transmissionColor" type="color3">
+      <input name="in" type="color3" interfacename="transmission_color" />
+    </dot>
+    <dot name="transmissionDepth" type="float">
+      <input name="in" type="float" interfacename="transmission_depth" />
+    </dot>
+    <dot name="transmissionScatter" type="color3">
+      <input name="in" type="color3" interfacename="transmission_scatter" />
+    </dot>
+    <dot name="transmissionScatterAnisotropy" type="float">
+      <input name="in" type="float" interfacename="transmission_scatter_anisotropy" />
+    </dot>
+    <dot name="transmissionDispersion" type="float">
+      <input name="in" type="float" interfacename="transmission_dispersion_scale" />
+    </dot>
+
+    <!--Subsurface-->
+    <dot name="subsurface" type="float">
+      <input name="in" type="float" interfacename="subsurface_weight" />
+    </dot>
+    <multiply name="subsurfaceColor" type="color3">
+      <input name="in1" type="color3" interfacename="subsurface_color" />
+      <input name="in2" type="color3" nodename="modulated_base_darkening" />
+    </multiply>
+    <dot name="subsurfaceScale" type="float">
+      <input name="in" type="float" interfacename="subsurface_radius" />
+    </dot>
+    <dot name="subsurfaceRadius" type="color3">
+      <input name="in" type="color3" interfacename="subsurface_radius_scale" />
+    </dot>
+    <dot name="subsurfaceAnisotropy" type="float">
+      <input name="in" type="float" interfacename="subsurface_scatter_anisotropy" />
+    </dot>
+
+    <!--Sheen-->
+    <dot name="sheen" type="float">
+      <input name="in" type="float" interfacename="fuzz_weight" />
+    </dot>
+    <dot name="sheenColor" type="color3">
+      <input name="in" type="color3" interfacename="fuzz_color" />
+    </dot>
+    <!--Sheen roughness translation is approximated by eye, and could potentially be improved with an analytic or ML-based solution.-->
+    <power name="sheenRoughness" type="float">
+      <input name="in1" type="float" interfacename="fuzz_roughness" />
+      <input name="in2" type="float" value="2.5" />
+    </power>
+
+    <!--Coat-->
+    <dot name="coat" type="float">
+      <input name="in" type="float" interfacename="coat_weight" />
+    </dot>
+    <dot name="coatColor" type="color3">
+      <input name="in" type="color3" interfacename="coat_color" />
+    </dot>
+    <dot name="coatRoughness" type="float">
+      <input name="in" type="float" interfacename="coat_roughness" />
+    </dot>
+    <dot name="coatAnisotropy" type="float">
+      <input name="in" type="float" interfacename="coat_roughness_anisotropy" />
+    </dot>
+    <dot name="coatIOR" type="float">
+      <input name="in" type="float" interfacename="coat_ior" />
+    </dot>
+    <constant name="coatAffectRoughness" type="float">
+      <input name="value" type="float" value="1.0" />
+    </constant>
+
+    <!--ThinFilm-->
+    <multiply name="thinFilmThicknessConversion" type="float">
+      <input name="in1" type="float" interfacename="thin_film_thickness" />
+      <input name="in2" type="float" value="1000" />
+    </multiply>
+    <ifgreater name="thinFilmThickness" type="float">
+      <input name="value1" type="float" interfacename="thin_film_weight" />
+      <input name="value2" type="float" value="0.0" />
+      <input name="in1" type="float" nodename="thinFilmThicknessConversion" />
+      <input name="in2" type="float" value="0.0" />
+    </ifgreater>
+    <dot name="thinFilmIOR" type="float">
+      <input name="in" type="float" interfacename="thin_film_ior" />
+    </dot>
+
+    <!--Emission-->
+    <dot name="emission" type="float">
+      <input name="in" type="float" interfacename="emission_luminance" />
+    </dot>
+    <dot name="emissionColor" type="color3">
+      <input name="in" type="color3" interfacename="emission_color" />
+    </dot>
+
+    <!--Geometry-->
+    <convert name="geometryOpacity" type="color3">
+      <input name="in" type="float" interfacename="geometry_opacity" />
+    </convert>
+    <dot name="geometryThinWalled" type="boolean">
+      <input name="in" type="boolean" interfacename="geometry_thin_walled" />
+    </dot>
+
+    <!--Outputs-->
+    <output name="base_out" type="float" nodename="base" />
+    <output name="base_color_out" type="color3" nodename="baseColor" />
+    <output name="diffuse_roughness_out" type="float" nodename="diffuseRoughness" />
+    <output name="metalness_out" type="float" nodename="metalness" />
+
+    <output name="specular_out" type="float" nodename="spec" />
+    <output name="specular_color_out" type="color3" nodename="specColor" />
+    <output name="specular_roughness_out" type="float" nodename="specRoughness" />
+    <output name="specular_IOR_out" type="float" nodename="specIOR" />
+    <output name="specular_anisotropy_out" type="float" nodename="specAnisotropy" />
+
+    <output name="transmission_out" type="float" nodename="transmission" />
+    <output name="transmission_color_out" type="color3" nodename="transmissionColor" />
+    <output name="transmission_depth_out" type="float" nodename="transmissionDepth" />
+    <output name="transmission_scatter_out" type="color3" nodename="transmissionScatter" />
+    <output name="transmission_scatter_anisotropy_out" type="float" nodename="transmissionScatterAnisotropy" />
+    <output name="transmission_dispersion_out" type="float" nodename="transmissionDispersion" />
+
+    <output name="subsurface_out" type="float" nodename="subsurface" />
+    <output name="subsurface_color_out" type="color3" nodename="subsurfaceColor" />
+    <output name="subsurface_radius_out" type="color3" nodename="subsurfaceRadius" />
+    <output name="subsurface_scale_out" type="float" nodename="subsurfaceScale" />
+    <output name="subsurface_anisotropy_out" type="float" nodename="subsurfaceAnisotropy" />
+
+    <output name="sheen_out" type="float" nodename="sheen" />
+    <output name="sheen_color_out" type="color3" nodename="sheenColor" />
+    <output name="sheen_roughness_out" type="float" nodename="sheenRoughness" />
+
+    <output name="coat_out" type="float" nodename="coat" />
+    <output name="coat_color_out" type="color3" nodename="coatColor" />
+    <output name="coat_roughness_out" type="float" nodename="coatRoughness" />
+    <output name="coat_anisotropy_out" type="float" nodename="coatAnisotropy" />
+    <output name="coat_IOR_out" type="float" nodename="coatIOR" />
+    <output name="coat_affect_roughness_out" type="float" nodename="coatAffectRoughness" />
+
+    <output name="thin_film_thickness_out" type="float" nodename="thinFilmThickness" />
+    <output name="thin_film_IOR_out" type="float" nodename="thinFilmIOR" />
+
+    <output name="emission_out" type="float" nodename="emission" />
+    <output name="emission_color_out" type="color3" nodename="emissionColor" />
+
+    <output name="opacity_out" type="color3" nodename="geometryOpacity" />
+    <output name="thin_walled_out" type="boolean" nodename="geometryThinWalled" />
+  </nodegraph>
+</materialx>
diff --git a/libraries/bxdf/translation/standard_surface_to_open_pbr.mtlx b/libraries/bxdf/translation/standard_surface_to_open_pbr.mtlx
new file mode 100644
index 0000000000..efbe39a053
--- /dev/null
+++ b/libraries/bxdf/translation/standard_surface_to_open_pbr.mtlx
@@ -0,0 +1,309 @@
+<?xml version="1.0"?>
+<materialx version="1.38">
+
+  <nodedef name="ND_standard_surface_to_open_pbr_surface" node="standard_surface_to_open_pbr_surface" nodegroup="translation">
+    <input name="base" type="float" value="0.8" />
+    <input name="base_color" type="color3" value="1.0, 1.0, 1.0" />
+    <input name="diffuse_roughness" type="float" value="0" />
+    <input name="metalness" type="float" value="0" />
+
+    <input name="specular" type="float" value="1" />
+    <input name="specular_color" type="color3" value="1, 1, 1" />
+    <input name="specular_roughness" type="float" value="0.2" />
+    <input name="specular_IOR" type="float" value="1.5" />
+    <input name="specular_anisotropy" type="float" value="0" />
+
+    <input name="transmission" type="float" value="0" />
+    <input name="transmission_color" type="color3" value="1, 1, 1"/>
+    <input name="transmission_depth" type="float" value="0" />
+    <input name="transmission_scatter" type="color3" value="0, 0, 0" />
+    <input name="transmission_scatter_anisotropy" type="float" value="0" />
+    <input name="transmission_dispersion" type="float" value="0" />
+    
+    <input name="subsurface" type="float" value="0" uimin="0.0" />
+    <input name="subsurface_color" type="color3" value="1, 1, 1" />
+    <input name="subsurface_radius" type="color3" value="1, 1, 1" />
+    <input name="subsurface_scale" type="float" value="1" />
+    <input name="subsurface_anisotropy" type="float" value="0" />
+
+    <input name="sheen" type="float" value="0" uimin="0.0" />
+    <input name="sheen_color" type="color3" value="1, 1, 1" />
+    <input name="sheen_roughness" type="float" value="0.3" />
+
+    <input name="coat" type="float" value="0" />
+    <input name="coat_color" type="color3" value="1, 1, 1" />
+    <input name="coat_roughness" type="float" value="0.1" />
+    <input name="coat_anisotropy" type="float" value="0.0" />
+    <input name="coat_IOR" type="float" value="1.5" />
+    <input name="coat_affect_roughness" type="float" value="0" />
+    
+    <input name="thin_film_thickness" type="float" value="0" />
+    <input name="thin_film_IOR" type="float" value="1.5" />
+
+    <input name="emission" type="float" value="0" />
+    <input name="emission_color" type="color3" value="1, 1, 1" />
+
+    <input name="opacity" type="color3" value="1, 1, 1" />
+    <input name="thin_walled" type="boolean" value="false" />
+
+    <!--Outputs-->
+    <output name="base_weight_out" type="float" />
+    <output name="base_color_out" type="color3" />
+    <output name="base_diffuse_roughness_out" type="float" />
+    <output name="base_metalness_out" type="float" />
+
+    <output name="specular_weight_out" type="float" />
+    <output name="specular_color_out" type="color3" />
+    <output name="specular_roughness_out" type="float" />
+    <output name="specular_ior_out" type="float" />
+    <output name="specular_roughness_anisotropy_out" type="float" />
+
+    <output name="transmission_weight_out" type="float" />
+    <output name="transmission_color_out" type="color3" />
+    <output name="transmission_depth_out" type="float" />
+    <output name="transmission_scatter_out" type="color3" />
+    <output name="transmission_scatter_anisotropy_out" type="float" />
+    <output name="transmission_dispersion_scale_out" type="float" />
+    
+    <output name="subsurface_weight_out" type="float" />
+    <output name="subsurface_color_out" type="color3" />
+    <output name="subsurface_radius_out" type="float" />
+    <output name="subsurface_radius_scale_out" type="color3" />
+    <output name="subsurface_scatter_anisotropy_out" type="float" />
+
+    <output name="fuzz_weight_out" type="float" />
+    <output name="fuzz_color_out" type="color3" />
+    <output name="fuzz_roughness_out" type="float" />
+
+    <output name="coat_weight_out" type="float" />
+    <output name="coat_color_out" type="color3" />
+    <output name="coat_roughness_out" type="float" />
+    <output name="coat_roughness_anisotropy_out" type="float" />
+    <output name="coat_ior_out" type="float" />
+    <output name="coat_darkening_out" type="float" />
+
+    <output name="thin_film_weight_out" type="float" />
+    <output name="thin_film_thickness_out" type="float" />
+    <output name="thin_film_ior_out" type="float" />
+
+    <output name="emission_luminance_out" type="float" />
+    <output name="emission_color_out" type="color3" />
+
+    <output name="geometry_opacity_out" type="float" />
+    <output name="geometry_thin_walled_out" type="boolean" />
+  </nodedef>
+
+  <nodegraph name="NG_standard_surface_to_open_pbr_surface" nodedef="ND_standard_surface_to_open_pbr_surface">
+
+    <!--Base-->
+    <dot name="baseWeight" type="float">
+      <input name="in" type="float" interfacename="base" />
+    </dot>
+    <mix name="coatAttenuation" type="color3">
+      <input name="fg" type="color3" interfacename="coat_color" />
+      <input name="bg" type="color3" value="1.0, 1.0, 1.0" />
+      <input name="mix" type="float" interfacename="coat" />
+    </mix>
+    <multiply name="baseColor" type="color3">
+      <input name="in1" type="color3" interfacename="base_color" />
+      <input name="in2" type="color3" nodename="coatAttenuation" />
+    </multiply>
+    <dot name="baseDiffuseRoughness" type="float">
+      <input name="in" type="float" interfacename="diffuse_roughness" />
+    </dot>
+    <dot name="baseMetalness" type="float">
+      <input name="in" type="float" interfacename="metalness" />
+    </dot>
+
+    <!--Specular-->
+    <!--In OpenPBR Surface, specular_weight controls the strength of the metallic layer, while it Standard Surface it has no effect on the metallic layer.-->
+    <ifgreater name="specWeight" type="float">
+      <input name="value1" type="float" interfacename="metalness" />
+      <input name="value2" type="float" value="0.0" />
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" interfacename="specular" />
+    </ifgreater>
+    <convert name="specVector" type="vector3">
+      <input name="in" type="color3" interfacename="specular_color" />
+    </convert>
+    <dotproduct name="dotProd" type="float">
+      <input name="in1" type="vector3" nodename="specVector" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <!--Intentionally ignoring the original specular_color input for metals, since the translation between these concepts will take more thought.-->
+    <ifequal name="specColor" type="color3">
+      <input name="value1" type="float" value="0.0"  />
+      <input name="value2" type="float" nodename="dotProd" />
+      <input name="in1" type="color3" value="1.0, 1.0, 1.0" />
+      <input name="in2" type="color3" interfacename="specular_color" />
+    </ifequal>
+    <dot name="specRoughness" type="float">
+      <input name="in" type="float" interfacename="specular_roughness" />
+    </dot>
+    <dot name="specIOR" type="float">
+      <input name="in" type="float" interfacename="specular_IOR" />
+    </dot>
+    <dot name="specRoughnessAnisotropy" type="float">
+      <input name="in" type="float" interfacename="specular_anisotropy" />
+    </dot>
+
+    <!--Transmission-->
+    <dot name="transmissionWeight" type="float">
+      <input name="in" type="float" interfacename="transmission" />
+    </dot>
+    <dot name="transmissionColor" type="color3">
+      <input name="in" type="color3" interfacename="transmission_color" />
+    </dot>
+    <dot name="transmissionDepth" type="float">
+      <input name="in" type="float" interfacename="transmission_depth" />
+    </dot>
+    <dot name="transmissionScatter" type="color3">
+      <input name="in" type="color3" interfacename="transmission_scatter" />
+    </dot>
+    <dot name="transmissionScatterAnisotropy" type="float">
+      <input name="in" type="float" interfacename="transmission_scatter_anisotropy" />
+    </dot>
+    <dot name="transmissionDispersion" type="float">
+      <input name="in" type="float" interfacename="transmission_dispersion" />
+    </dot>
+
+    <!--Subsurface-->
+    <dot name="subsurfaceWeight" type="float">
+      <input name="in" type="float" interfacename="subsurface" />
+    </dot>
+    <dot name="subsurfaceColor" type="color3">
+      <input name="in" type="color3" interfacename="subsurface_color" />
+    </dot>
+    <dot name="subsurfaceRadius" type="float">
+      <input name="in" type="float" interfacename="subsurface_scale" />
+    </dot>
+    <dot name="subsurfaceRadiusScale" type="color3">
+      <input name="in" type="color3" interfacename="subsurface_radius" />
+    </dot>
+    <dot name="subsurfaceAnisotropy" type="float">
+      <input name="in" type="float" interfacename="subsurface_anisotropy" />
+    </dot>
+
+    <!--Fuzz-->
+    <dot name="fuzzWeight" type="float">
+      <input name="in" type="float" interfacename="sheen" />
+    </dot>
+    <dot name="fuzzColor" type="color3">
+      <input name="in" type="color3" interfacename="sheen_color" />
+    </dot>
+    <!--Fuzz roughness translation is approximated by eye, and could potentially be improved with an analytic or ML-based solution.-->
+    <power name="fuzzRoughness" type="float">
+      <input name="in1" type="float" interfacename="sheen_roughness" />
+      <input name="in2" type="float" value="0.4" />
+    </power>
+
+    <!--Coat-->
+    <!--Standard Surface takes the approach of tinting the surface underneath by the color of this clearcoat, and that technique is how artists often create colored metals in Standard Surface. If this approach was taken, then coat_weight is set to 0 so that the color is not added redundantly.-->
+    <multiply name="coatMetallic" type="float">
+      <input name="in1" type="float" interfacename="coat" />
+      <input name="in2" type="float" interfacename="metalness" />
+    </multiply>
+    <ifgreater name="coatWeight" type="float">
+      <input name="value1" type="float" nodename="coatMetallic" />
+      <input name="value2" type="float" value="0.0" />
+      <input name="in1" type="float" value="0.0" />
+      <input name="in2" type="float" interfacename="coat" />
+    </ifgreater>
+    <dot name="coatColor" type="color3">
+      <input name="in" type="color3" interfacename="coat_color" />
+    </dot>
+    <dot name="coatRoughness" type="float">
+      <input name="in" type="float" interfacename="coat_roughness" />
+    </dot>
+    <dot name="coatAnisotropy" type="float">
+      <input name="in" type="float" interfacename="coat_anisotropy" />
+    </dot>
+    <dot name="coatIOR" type="float">
+      <input name="in" type="float" interfacename="coat_IOR" />
+    </dot>
+    <dot name="coatDarkening" type="float">
+      <input name="in" type="float" interfacename="coat_affect_roughness" />
+    </dot>
+
+    <!--ThinFilm-->
+    <multiply name="thinFilmThicknessConversion" type="float">
+      <input name="in1" type="float" interfacename="thin_film_thickness" />
+      <input name="in2" type="float" value="0.001" />
+    </multiply>
+    <ifgreater name="thinFilmWeight" type="float">
+      <input name="value1" type="float" nodename="thinFilmThicknessConversion" />
+      <input name="value2" type="float" value="0.0" />
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" value="0.0" />
+    </ifgreater>
+    <dot name="thinFilmThickness" type="float">
+      <input name="in" type="float" nodename="thinFilmThicknessConversion" />
+    </dot>
+    <dot name="thinFilmIOR" type="float">
+      <input name="in" type="float" interfacename="thin_film_IOR" />
+    </dot>
+
+    <!--Emission-->
+    <dot name="emissionLuminance" type="float">
+      <input name="in" type="float" interfacename="emission" />
+    </dot>
+    <dot name="emissionColor" type="color3">
+      <input name="in" type="color3" interfacename="emission_color" />
+    </dot>
+
+    <!--Geometry-->
+    <extract name="geometryOpacity" type="float">
+      <input name="in" type="color3" interfacename="opacity" />
+      <input name="index" type="integer" value="0" />
+    </extract>
+    <dot name="geometryThinWalled" type="boolean">
+      <input name="in" type="boolean" interfacename="thin_walled" />
+    </dot>
+
+    <!--Outputs-->
+    <output name="base_weight_out" type="float" nodename="baseWeight" />
+    <output name="base_color_out" type="color3" nodename="baseColor" />
+    <output name="base_diffuse_roughness_out" type="float" nodename="baseDiffuseRoughness" />
+    <output name="base_metalness_out" type="float" nodename="baseMetalness" />
+
+    <output name="specular_weight_out" type="float" nodename="specWeight" />
+    <output name="specular_color_out" type="color3" nodename="specColor" />
+    <output name="specular_roughness_out" type="float" nodename="specRoughness" />
+    <output name="specular_ior_out" type="float" nodename="specIOR" />
+    <output name="specular_roughness_anisotropy_out" type="float" nodename="specRoughnessAnisotropy" />
+    
+    <output name="transmission_weight_out" type="float" nodename="transmissionWeight" />
+    <output name="transmission_color_out" type="color3" nodename="transmissionColor" />
+    <output name="transmission_depth_out" type="float" nodename="transmissionDepth" />
+    <output name="transmission_scatter_out" type="color3" nodename="transmissionScatter" />
+    <output name="transmission_scatter_anisotropy_out" type="float" nodename="transmissionScatterAnisotropy" />
+    <output name="transmission_dispersion_scale_out" type="float" nodename="transmissionDispersion" />
+
+    <output name="subsurface_weight_out" type="float" nodename="subsurfaceWeight" />
+    <output name="subsurface_color_out" type="color3" nodename="subsurfaceColor" />
+    <output name="subsurface_radius_out" type="float" nodename="subsurfaceRadius" />
+    <output name="subsurface_radius_scale_out" type="color3" nodename="subsurfaceRadiusScale" />
+    <output name="subsurface_scatter_anisotropy_out" type="float" nodename="subsurfaceAnisotropy" />
+
+    <output name="fuzz_weight_out" type="float" nodename="fuzzWeight" />
+    <output name="fuzz_color_out" type="color3" nodename="fuzzColor" />
+    <output name="fuzz_roughness_out" type="float" nodename="fuzzRoughness" />
+
+    <output name="coat_weight_out" type="float" nodename="coatWeight" />
+    <output name="coat_color_out" type="color3" nodename="coatColor" />
+    <output name="coat_roughness_out" type="float" nodename="coatRoughness" />
+    <output name="coat_roughness_anisotropy_out" type="float" nodename="coatAnisotropy" />
+    <output name="coat_ior_out" type="float" nodename="coatIOR" />
+    <output name="coat_darkening_out" type="float" nodename="coatDarkening" />
+
+    <output name="thin_film_weight_out" type="float" nodename="thinFilmWeight" />
+    <output name="thin_film_thickness_out" type="float" nodename="thinFilmThickness" />
+    <output name="thin_film_ior_out" type="float" nodename="thinFilmIOR" />
+
+    <output name="emission_luminance_out" type="float" nodename="emissionLuminance" />
+    <output name="emission_color_out" type="color3" nodename="emissionColor" />
+
+    <output name="geometry_opacity_out" type="float" nodename="geometryOpacity" />
+    <output name="geometry_thin_walled_out" type="boolean" nodename="geometryThinWalled" />
+  </nodegraph>
+</materialx>
diff --git a/libraries/bxdf/translation/standard_surface_to_usd.mtlx b/libraries/bxdf/translation/standard_surface_to_usd.mtlx
index b6e28805dd..5da2457857 100644
--- a/libraries/bxdf/translation/standard_surface_to_usd.mtlx
+++ b/libraries/bxdf/translation/standard_surface_to_usd.mtlx
@@ -12,6 +12,8 @@
     <input name="coat" type="float" value="0" />
     <input name="coat_color" type="color3" value="1, 1, 1" />
     <input name="coat_roughness" type="float" value="0.1" />
+    <input name="subsurface" type="float" value="0" />
+    <input name="subsurface_color" type="color3" value="1, 1, 1" />
     <input name="emission" type="float" value="0" />
     <input name="emission_color" type="color3" value="1, 1, 1" />
     <input name="opacity" type="color3" value="1, 1, 1" />
@@ -44,13 +46,18 @@
       <input name="in1" type="color3" interfacename="base_color" />
       <input name="in2" type="float" interfacename="base" />
     </multiply>
+    <mix name="albedoOpaqueDielectric" type="color3">
+      <input name="fg" type="color3" interfacename="subsurface_color" />
+      <input name="bg" type="color3" nodename="scaledBaseColor" />
+      <input name="mix" type="float" interfacename="subsurface" />
+    </mix>
     <mix name="coatAttenuation" type="color3">
       <input name="fg" type="color3" interfacename="coat_color" />
       <input name="bg" type="color3" value="1.0, 1.0, 1.0" />
       <input name="mix" type="float" interfacename="coat" />
     </mix>
     <multiply name="diffuseColor" type="color3">
-      <input name="in1" type="color3" nodename="scaledBaseColor" />
+      <input name="in1" type="color3" nodename="albedoOpaqueDielectric" />
       <input name="in2" type="color3" nodename="coatAttenuation" />
     </multiply>
     <dot name="roughness" type="float">
@@ -74,10 +81,14 @@
     </dot>
 
     <!-- Emissive -->
-    <multiply name="emissiveColor" type="color3">
+    <multiply name="scaledEmissionColor" type="color3">
       <input name="in1" type="color3" interfacename="emission_color" />
       <input name="in2" type="float" interfacename="emission" />
     </multiply>
+    <multiply name="emissiveColor" type="color3">
+      <input name="in1" type="color3" nodename="scaledEmissionColor" />
+      <input name="in2" type="color3" nodename="coatAttenuation" />
+    </multiply>
 
     <!-- Opacity -->
     <dotproduct name="opacity" type="float">