diff --git a/libraries/stdlib/stdlib_defs.mtlx b/libraries/stdlib/stdlib_defs.mtlx
index 4aa82582be..4b9a6c1d34 100644
--- a/libraries/stdlib/stdlib_defs.mtlx
+++ b/libraries/stdlib/stdlib_defs.mtlx
@@ -295,7 +295,7 @@
     Node: <triplanarprojection> Supplemental Node
     Samples data from three images, or layers within multi-layer images, and projects a tiled
     representation of the images along each of the three respective coordinate axes, computing
-    a weighted blend of the three samples using the geometric normal.
+    an adjustable weighted blend of the three samples using the geometric normal.
   -->
   <nodedef name="ND_triplanarprojection_float" node="triplanarprojection" nodegroup="texture3d">
     <input name="filex" type="filename" value="" uniform="true" />
@@ -307,6 +307,7 @@
     <input name="default" type="float" value="0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
@@ -323,6 +324,7 @@
     <input name="default" type="color3" value="0.0, 0.0, 0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
@@ -339,6 +341,7 @@
     <input name="default" type="color4" value="0.0, 0.0, 0.0, 0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
@@ -355,6 +358,7 @@
     <input name="default" type="vector2" value="0.0, 0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
@@ -371,6 +375,7 @@
     <input name="default" type="vector3" value="0.0, 0.0, 0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
@@ -387,6 +392,7 @@
     <input name="default" type="vector4" value="0.0, 0.0, 0.0, 0.0" />
     <input name="position" type="vector3" defaultgeomprop="Pobject" />
     <input name="normal" type="vector3" defaultgeomprop="Nobject" />
+    <input name="blend" type="float" value="1.0" uimin="0.0" uimax="1.0" />
     <input name="filtertype" type="string" value="linear" enum="closest,linear,cubic" uniform="true" />
     <input name="framerange" type="string" value="" uniform="true" />
     <input name="frameoffset" type="integer" value="0" uniform="true" />
diff --git a/libraries/stdlib/stdlib_ng.mtlx b/libraries/stdlib/stdlib_ng.mtlx
index 394f953e11..1d09f160af 100644
--- a/libraries/stdlib/stdlib_ng.mtlx
+++ b/libraries/stdlib/stdlib_ng.mtlx
@@ -262,41 +262,54 @@
       <input name="frameoffset" type="integer" interfacename="frameoffset" />
       <input name="frameendaction" type="string" interfacename="frameendaction" />
     </image>
-    <normalize name="N_norm_float" type="vector3">
+    <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_float" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_float" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_float" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_float" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_float" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_float" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_float" type="float">
-      <input name="in" type="float" nodename="N_dotX_float" />
-    </absval>
-    <absval name="N_blendY_float" type="float">
-      <input name="in" type="float" nodename="N_dotY_float" />
-    </absval>
-    <absval name="N_blendZ_float" type="float">
-      <input name="in" type="float" nodename="N_dotZ_float" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_float" type="float">
       <input name="in1" type="float" nodename="N_imgX_float" />
-      <input name="in2" type="float" nodename="N_blendX_float" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_float" type="float">
       <input name="in1" type="float" nodename="N_imgY_float" />
-      <input name="in2" type="float" nodename="N_blendY_float" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_float" type="float">
       <input name="in1" type="float" nodename="N_imgZ_float" />
-      <input name="in2" type="float" nodename="N_blendZ_float" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_float" type="float">
       <input name="in1" type="float" nodename="N_nX_float" />
@@ -369,41 +382,54 @@
       <input name="frameoffset" type="integer" interfacename="frameoffset" />
       <input name="frameendaction" type="string" interfacename="frameendaction" />
     </image>
-    <normalize name="N_norm_color3" type="vector3">
+    <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_color3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color3" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_color3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color3" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_color3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color3" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_color3" type="float">
-      <input name="in" type="float" nodename="N_dotX_color3" />
-    </absval>
-    <absval name="N_blendY_color3" type="float">
-      <input name="in" type="float" nodename="N_dotY_color3" />
-    </absval>
-    <absval name="N_blendZ_color3" type="float">
-      <input name="in" type="float" nodename="N_dotZ_color3" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_color3" type="color3">
       <input name="in1" type="color3" nodename="N_imgX_color3" />
-      <input name="in2" type="float" nodename="N_blendX_color3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_color3" type="color3">
       <input name="in1" type="color3" nodename="N_imgY_color3" />
-      <input name="in2" type="float" nodename="N_blendY_color3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_color3" type="color3">
       <input name="in1" type="color3" nodename="N_imgZ_color3" />
-      <input name="in2" type="float" nodename="N_blendZ_color3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_color3" type="color3">
       <input name="in1" type="color3" nodename="N_nX_color3" />
@@ -476,41 +502,54 @@
       <input name="frameoffset" type="integer" interfacename="frameoffset" />
       <input name="frameendaction" type="string" interfacename="frameendaction" />
     </image>
-    <normalize name="N_norm_color4" type="vector3">
+    <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_color4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color4" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_color4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color4" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_color4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_color4" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_color4" type="float">
-      <input name="in" type="float" nodename="N_dotX_color4" />
-    </absval>
-    <absval name="N_blendY_color4" type="float">
-      <input name="in" type="float" nodename="N_dotY_color4" />
-    </absval>
-    <absval name="N_blendZ_color4" type="float">
-      <input name="in" type="float" nodename="N_dotZ_color4" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_color4" type="color4">
       <input name="in1" type="color4" nodename="N_imgX_color4" />
-      <input name="in2" type="float" nodename="N_blendX_color4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_color4" type="color4">
       <input name="in1" type="color4" nodename="N_imgY_color4" />
-      <input name="in2" type="float" nodename="N_blendY_color4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_color4" type="color4">
       <input name="in1" type="color4" nodename="N_imgZ_color4" />
-      <input name="in2" type="float" nodename="N_blendZ_color4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_color4" type="color4">
       <input name="in1" type="color4" nodename="N_nX_color4" />
@@ -583,41 +622,54 @@
       <input name="frameoffset" type="integer" interfacename="frameoffset" />
       <input name="frameendaction" type="string" interfacename="frameendaction" />
     </image>
-    <normalize name="N_norm_vector2" type="vector3">
+    <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_vector2" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector2" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_vector2" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector2" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_vector2" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector2" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_vector2" type="float">
-      <input name="in" type="float" nodename="N_dotX_vector2" />
-    </absval>
-    <absval name="N_blendY_vector2" type="float">
-      <input name="in" type="float" nodename="N_dotY_vector2" />
-    </absval>
-    <absval name="N_blendZ_vector2" type="float">
-      <input name="in" type="float" nodename="N_dotZ_vector2" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_vector2" type="vector2">
       <input name="in1" type="vector2" nodename="N_imgX_vector2" />
-      <input name="in2" type="float" nodename="N_blendX_vector2" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_vector2" type="vector2">
       <input name="in1" type="vector2" nodename="N_imgY_vector2" />
-      <input name="in2" type="float" nodename="N_blendY_vector2" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_vector2" type="vector2">
       <input name="in1" type="vector2" nodename="N_imgZ_vector2" />
-      <input name="in2" type="float" nodename="N_blendZ_vector2" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_vector2" type="vector2">
       <input name="in1" type="vector2" nodename="N_nX_vector2" />
@@ -693,38 +745,51 @@
     <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_vector3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector3" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_vector3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector3" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_vector3" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector3" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_vector3" type="float">
-      <input name="in" type="float" nodename="N_dotX_vector3" />
-    </absval>
-    <absval name="N_blendY_vector3" type="float">
-      <input name="in" type="float" nodename="N_dotY_vector3" />
-    </absval>
-    <absval name="N_blendZ_vector3" type="float">
-      <input name="in" type="float" nodename="N_dotZ_vector3" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_vector3" type="vector3">
       <input name="in1" type="vector3" nodename="N_imgX_vector3" />
-      <input name="in2" type="float" nodename="N_blendX_vector3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_vector3" type="vector3">
       <input name="in1" type="vector3" nodename="N_imgY_vector3" />
-      <input name="in2" type="float" nodename="N_blendY_vector3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_vector3" type="vector3">
       <input name="in1" type="vector3" nodename="N_imgZ_vector3" />
-      <input name="in2" type="float" nodename="N_blendZ_vector3" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_vector3" type="vector3">
       <input name="in1" type="vector3" nodename="N_nX_vector3" />
@@ -797,41 +862,54 @@
       <input name="frameoffset" type="integer" interfacename="frameoffset" />
       <input name="frameendaction" type="string" interfacename="frameendaction" />
     </image>
-    <normalize name="N_norm_vector4" type="vector3">
+    <normalize name="N_norm_vector3" type="vector3">
       <input name="in" type="vector3" interfacename="normal" />
     </normalize>
-    <dotproduct name="N_dotX_vector4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector4" />
-      <input name="in2" type="vector3" value="1.0, 0.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotY_vector4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector4" />
-      <input name="in2" type="vector3" value="0.0, 1.0, 0.0" />
-    </dotproduct>
-    <dotproduct name="N_dotZ_vector4" type="float">
-      <input name="in1" type="vector3" nodename="N_norm_vector4" />
-      <input name="in2" type="vector3" value="0.0, 0.0, 1.0" />
-    </dotproduct>
-    <absval name="N_blendX_vector4" type="float">
-      <input name="in" type="float" nodename="N_dotX_vector4" />
-    </absval>
-    <absval name="N_blendY_vector4" type="float">
-      <input name="in" type="float" nodename="N_dotY_vector4" />
-    </absval>
-    <absval name="N_blendZ_vector4" type="float">
-      <input name="in" type="float" nodename="N_dotZ_vector4" />
+    <absval name="N_absN" type="vector3">
+      <input name="in" type="vector3" nodename="N_norm_vector3" />
     </absval>
+    <dotproduct name="N_dotN" type="float">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct>
+    <divide name="N_normalizeWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_absN" />
+      <input name="in2" type="float" nodename="N_dotN" />
+    </divide>
+    <clamp name="N_clampForPrecision" type="float">
+      <input name="in" type="float" interfacename="blend" />
+      <input name="low" type="float" value="0.03" />
+    </clamp>
+    <divide name="N_oneOverBlend" type="float">
+      <input name="in1" type="float" value="1.0" />
+      <input name="in2" type="float" nodename="N_clampForPrecision" />
+    </divide>
+    <power name="N_blendPower" type="vector3">
+      <input name="in1" type="vector3" nodename="N_normalizeWeights" />
+      <input name="in2" type="float" nodename="N_oneOverBlend" />
+    </power>
+    <dotproduct name="N_dotBlendedN" type="float">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="vector3" value="1.0, 1.0, 1.0" />
+    </dotproduct> 
+    <divide name="N_normalizeBlendedWeights" type="vector3">
+      <input name="in1" type="vector3" nodename="N_blendPower" />
+      <input name="in2" type="float" nodename="N_dotBlendedN" />
+    </divide>
+    <separate3 name="N_separateWeights" type="multioutput">
+      <input name="in" type="vector3" nodename="N_normalizeBlendedWeights" />
+    </separate3>
     <multiply name="N_nX_vector4" type="vector4">
       <input name="in1" type="vector4" nodename="N_imgX_vector4" />
-      <input name="in2" type="float" nodename="N_blendX_vector4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outx" />
     </multiply>
     <multiply name="N_nY_vector4" type="vector4">
       <input name="in1" type="vector4" nodename="N_imgY_vector4" />
-      <input name="in2" type="float" nodename="N_blendY_vector4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outy" />
     </multiply>
     <multiply name="N_nZ_vector4" type="vector4">
       <input name="in1" type="vector4" nodename="N_imgZ_vector4" />
-      <input name="in2" type="float" nodename="N_blendZ_vector4" />
+      <input name="in2" type="float" nodename="N_separateWeights" output="outz" />
     </multiply>
     <add name="N_add1_vector4" type="vector4">
       <input name="in1" type="vector4" nodename="N_nX_vector4" />