diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5c1dd49aa3..980a6e7281 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -55,7 +55,7 @@ jobs:
             jobs: 4
             containerImage:
             # Something simple to start. When ready, the projects below should be included in the first job.
-            projectsString: --projects GafferResources
+            projectsString: --projects GafferResources BitstreamVera PCG
             # projectsString: --projects LibFFI TBB Python ZLib Boost Imath OpenEXR HDF5 Alembic BitstreamVera Blosc CMark PyBind11 LibJPEG-Turbo LibTIFF LibPNG OpenJPEG Expat YAML-CPP PyString Minizip OpenColorIO LibRaw PugiXML Fmt LibWebP FreeType OpenImageIO LLVM OpenShadingLanguage GLEW OpenVDB OpenSubdiv PyOpenGL Qt PySide
 
     uses: ./.github/workflows/buildDependencyBatch.yml
diff --git a/BitstreamVera/config.py b/BitstreamVera/config.py
index f4a7f141aa..15bfe0719e 100644
--- a/BitstreamVera/config.py
+++ b/BitstreamVera/config.py
@@ -10,10 +10,11 @@
 
 	"license" : "COPYRIGHT.TXT",
 
-	"commands" : [
+	"commands" : [],
 
-		"mkdir -p {buildDir}/fonts",
-		"cp *.ttf {buildDir}/fonts"
+	"postBuildCopy" : [
+
+		( None, "*.ttf", "{buildDir}/fonts" ),
 
 	],
 
diff --git a/Changes.md b/Changes.md
index 98a8bee976..1690eb2172 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,6 +1,7 @@
 11.x.x (relative to 11.0.0a4)
 ------
 
+- build.py : Added `postBuildCopy` and `postBuildMove` configuration steps.
 
 
 11.0.0a4 (relative to 11.0.0a3)
diff --git a/Cycles/config.py b/Cycles/config.py
index 21011221d7..e2241c5c3d 100644
--- a/Cycles/config.py
+++ b/Cycles/config.py
@@ -40,13 +40,20 @@
 			" ..",
 		"cd build && make install -j {jobs} VERBOSE=1",
 
-		"mkdir -p {buildDir}/cycles/include",
-		"cd src && find . -name '*.h' | cpio -pdm {buildDir}/cycles/include",
-		"cp -r third_party/atomic/* {buildDir}/cycles/include",
-		"mkdir -p {buildDir}/cycles/bin",
-		"mv {buildDir}/cycles/cycles {buildDir}/cycles/bin/cycles",
-		"cp -r build/lib {buildDir}/cycles",
+	],
+
+	"postBuildCopy" : [
 
+		( "src", "**/*.h", "{buildDir}/cycles/include" ),
+		( "third_party/atomic", "**/*.h", "{buildDir}/cycles/include" ),
+		( "build/lib", "**/*", "{buildDir}/cycles/lib" ),
+
+	],
+    
+	"postBuildMove" : [
+        
+		( "{buildDir}/cycles", "cycles", "{buildDir}/cycles/bin" ),
+        
 	],
 
 	"manifest" : [
diff --git a/OpenColorIO/config.py b/OpenColorIO/config.py
index eaeef69ac8..ba53809193 100644
--- a/OpenColorIO/config.py
+++ b/OpenColorIO/config.py
@@ -43,12 +43,19 @@
 
 		"cd build && make clean && make VERBOSE=1 -j {jobs} && make install",
 
-		"mkdir -p {buildDir}/python",
-		"mv {buildDir}/lib*/python*/site-packages/PyOpenColorIO* {buildDir}/python",
+	],
+
+	"postBuildCopy" : [
+
+
+		( "..", "studio-config-v3.0.0_aces-v2.0_ocio-v2.4.ocio", "{buildDir}/openColorIO" ),
+		( "..", "cg-config-v3.0.0_aces-v2.0_ocio-v2.4.ocio", "{buildDir}/openColorIO" ),
+
+	],
+
+	"postBuildMove" : [
 
-		"mkdir -p {buildDir}/openColorIO",
-		"cp ../studio-config-v3.0.0_aces-v2.0_ocio-v2.4.ocio {buildDir}/openColorIO",
-		"cp ../cg-config-v3.0.0_aces-v2.0_ocio-v2.4.ocio {buildDir}/openColorIO",
+        ( "{buildDir}/lib/python{pythonVersion}/site-packages", "PyOpenColorIO*/**/*", "{buildDir}/python" ),
 
 	],
 
diff --git a/OpenShadingLanguage/config.py b/OpenShadingLanguage/config.py
index 26132a6772..80b9e79399 100644
--- a/OpenShadingLanguage/config.py
+++ b/OpenShadingLanguage/config.py
@@ -45,14 +45,12 @@
 			" {extraArguments}"
 			" ..",
 		"cd gafferBuild && make install -j {jobs} VERBOSE=1",
-		"{extraCommands}",
 
 	],
 
 	"variables" : {
 
 		"extraArguments" : "",
-		"extraCommands" : "",
 		"useBatched" : "b8_AVX,b8_AVX2,b8_AVX2_noFMA,b8_AVX512,b8_AVX512_noFMA,b16_AVX512,b16_AVX512_noFMA",
 
 	},
@@ -81,9 +79,14 @@
 
 	"platform:macos" : {
 
+		"postBuildMove" : [
+
+			( "{buildDir}/lib/python{pythonVersion}/site-packages", "oslquery", "{pythonLibDir}/python{pythonVersion}/site-packages" ),
+
+		],
+
 		"variables" : {
 
-			"extraCommands" : "mv {buildDir}/lib/python{pythonVersion}/site-packages/oslquery {pythonLibDir}/python{pythonVersion}/site-packages/oslquery",
 			"useBatched" : "0",
 
 		},
diff --git a/PCG/config.py b/PCG/config.py
index 97a7fb671e..68dfe0c450 100644
--- a/PCG/config.py
+++ b/PCG/config.py
@@ -10,10 +10,11 @@
 
 	"license" : "LICENSE-MIT.txt",
 
+	"commands" : [],
 
-	"commands" : [
-		"mkdir -p {buildDir}/include/pcg",
-		"cp include/*.hpp {buildDir}/include/pcg",
+	"postBuildCopy" : [
+
+		( "include", "*.hpp", "{buildDir}/include/pcg" ),
 
 	],
 
diff --git a/PyString/config.py b/PyString/config.py
index f933353f67..006c196acc 100644
--- a/PyString/config.py
+++ b/PyString/config.py
@@ -20,7 +20,12 @@
 			" -D BUILD_SHARED_LIBS=ON"
 			" ..",
 		"cd build && make -j {jobs} && make install",
-		"mkdir -p {buildDir}/include/pystring && cp pystring.h {buildDir}/include/pystring",
+
+	],
+
+	"postBuildCopy" : [
+
+		( None, "pystring.h", "{buildDir}/include/pystring" ),
 
 	],
 
diff --git a/Qt.py/config.py b/Qt.py/config.py
index 3699e53cee..9767a4df14 100644
--- a/Qt.py/config.py
+++ b/Qt.py/config.py
@@ -11,9 +11,11 @@
 
 	"dependencies" : [ "Python" ],
 
-	"commands" : [
+	"commands" : [],
 
-		"cp Qt.py {buildDir}/python",
+	"postBuildCopy" : [
+
+		( None, "Qt.py", "{buildDir}/python" )
 
 	],
 
diff --git a/Qt/config.py b/Qt/config.py
index 6c1dcdc228..76003b5bd3 100644
--- a/Qt/config.py
+++ b/Qt/config.py
@@ -62,9 +62,13 @@
 
 		"cmake --build . --parallel {jobs} && cmake --install .",
 
-		"cp {buildDir}/libexec/moc {buildDir}/bin",
-		"cp {buildDir}/libexec/rcc {buildDir}/bin",
-		"cp {buildDir}/libexec/uic {buildDir}/bin",
+	],
+
+	"postBuildCopy" : [
+
+		( "{buildDir}/libexec", "moc", "{buildDir}/bin" ),
+		( "{buildDir}/libexec", "rcc", "{buildDir}/bin" ),
+		( "{buildDir}/libexec", "uic", "{buildDir}/bin" ),
 
 	],
 
diff --git a/USD/config.py b/USD/config.py
index f0f3bf5672..4ac456e366 100644
--- a/USD/config.py
+++ b/USD/config.py
@@ -51,7 +51,12 @@
 		"make install",
 
 		"rm -rf {buildDir}/python/pxr",
-		"mv {buildDir}/lib/python/pxr {buildDir}/python",
+
+	],
+
+	"postBuildMove" : [
+
+		( "{buildDir}/lib/python", "pxr/**/*", "{buildDir}/python" ),
 
 	],
 
diff --git a/build.py b/build.py
index 0ec0bbffd4..8fb19597f3 100755
--- a/build.py
+++ b/build.py
@@ -8,8 +8,10 @@
 import os
 import operator
 import multiprocessing
+import pathlib
 import subprocess
 import shutil
+import stat
 import sys
 import tarfile
 import zipfile
@@ -39,6 +41,13 @@
 - enabled : May be set to `False` to disable a project entirely. This is
   only expected to be useful in conjunction with platform overrides or
   variants.
+- postBuildCopy / postBuildMove : List of copy / move directives, each
+  of the form ( sourceRoot, globPattern, destinationRoot ) 
+  specifying paths that should be copied / moved after all `commands`
+  have run. Files in `sourceRoot` that match `globPattern` (including
+  the recursive `**` pattern) are copied / moved, with their path relative
+  to `sourceRoot`, to `destinationRoot`. Destination directories will be
+  created if necessary.
 
 ### Packaging
 
@@ -188,6 +197,8 @@ def __updateDigest( project, config ) :
 	__appendHash( config["digest"], config.get( "environment" ) )
 	__appendHash( config["digest"], config.get( "commands" ) )
 	__appendHash( config["digest"], config.get( "symbolicLinks" ) )
+	__appendHash( config["digest"], config.get( "postBuildCopy" ) )
+	__appendHash( config["digest"], config.get( "postBuildMove" ) )
 	for e in config.get( "requiredEnvironment", [] ) :
 		__appendHash( config["digest"], os.environ.get( e, "" ) )
 
@@ -316,6 +327,19 @@ def __buildProject( project, config, buildDir, cleanup ) :
 		sys.stderr.write( command + "\n" )
 		subprocess.check_call( command, shell = True, env = environment )
 
+	for operation in [ "postBuildCopy", "postBuildMove" ] :
+		for sourceRoot, pattern, destinationRoot in config.get( operation, () ) :
+			sourceRoot = pathlib.Path( sourceRoot or "." )
+			destinationRoot = pathlib.Path( destinationRoot )
+
+			for p in sourceRoot.glob( pattern ) :
+				destinationPath = destinationRoot / p.relative_to( sourceRoot )
+				destinationPath.parent.mkdir( parents = True, exist_ok = True )
+				if operation == "postBuildCopy" :
+					shutil.copy( p, destinationPath )
+				else :
+					p.replace( destinationPath )
+
 	for link in config.get( "symbolicLinks", [] ) :
 		sys.stderr.write( "Linking {} to {}\n".format( link[0], link[1] ) )
 		if os.path.lexists( link[0] ) :
@@ -323,8 +347,12 @@ def __buildProject( project, config, buildDir, cleanup ) :
 		os.symlink( link[1], link[0] )
 
 	if cleanup :
+		def removeReadonly( func, path, *unused ) :
+			os.chmod( path, stat.S_IWRITE )
+			func( path )
+
 		os.chdir( buildRootDirectory )
-		shutil.rmtree( fullWorkingDir )
+		shutil.rmtree( fullWorkingDir, onexc = removeReadonly )
 
 def __checkConfigs( projects, configs ) :