diff --git a/src/appleseed-max-impl/appleseed-max2016-impl.vcxproj b/src/appleseed-max-impl/appleseed-max2016-impl.vcxproj
index 9808b46..7664fee 100644
--- a/src/appleseed-max-impl/appleseed-max2016-impl.vcxproj
+++ b/src/appleseed-max-impl/appleseed-max2016-impl.vcxproj
@@ -107,6 +107,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\Current\shaders\max\" 2>nul
@@ -167,6 +170,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\Current\shaders\max\" 2>nul
@@ -226,6 +232,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2016\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2016\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2016\Current\shaders\max\" 2>nul
diff --git a/src/appleseed-max-impl/appleseed-max2017-impl.vcxproj b/src/appleseed-max-impl/appleseed-max2017-impl.vcxproj
index 40feb16..fd23c93 100644
--- a/src/appleseed-max-impl/appleseed-max2017-impl.vcxproj
+++ b/src/appleseed-max-impl/appleseed-max2017-impl.vcxproj
@@ -106,6 +106,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\Current\shaders\max\" 2>nul
@@ -165,6 +168,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\Current\shaders\max\" 2>nul
@@ -223,6 +229,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2017\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2017\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2017\Current\shaders\max\" 2>nul
diff --git a/src/appleseed-max-impl/appleseed-max2018-impl.vcxproj b/src/appleseed-max-impl/appleseed-max2018-impl.vcxproj
index 66b03c3..35d605b 100644
--- a/src/appleseed-max-impl/appleseed-max2018-impl.vcxproj
+++ b/src/appleseed-max-impl/appleseed-max2018-impl.vcxproj
@@ -106,6 +106,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\Current\shaders\max\" 2>nul
@@ -165,6 +168,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\Current\shaders\max\" 2>nul
@@ -223,6 +229,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2018\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2018\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2018\Current\shaders\max\" 2>nul
diff --git a/src/appleseed-max-impl/appleseed-max2019-impl.vcxproj b/src/appleseed-max-impl/appleseed-max2019-impl.vcxproj
index e7e0940..4e29ab4 100644
--- a/src/appleseed-max-impl/appleseed-max2019-impl.vcxproj
+++ b/src/appleseed-max-impl/appleseed-max2019-impl.vcxproj
@@ -106,6 +106,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\Current\shaders\max\" 2>nul
@@ -165,6 +168,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\Current\shaders\max\" 2>nul
@@ -223,6 +229,9 @@ copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configur
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\$(Configuration)\"
 if not "$(Configuration)" == "Ship" copy /Y "$(SolutionDir)..\..\appleseed\sandbox\bin\$(PlatformToolset)\$(Configuration)\appleseed.pdb" "$(SolutionDir)..\sandbox\max2019\Current\"
 
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders" 2>nul
+rmdir /S /Q "$(SolutionDir)..\sandbox\max2019\Current\shaders" 2>nul
+
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\max\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\$(Configuration)\shaders\appleseed\" 2>nul
 mkdir "$(SolutionDir)..\sandbox\max2019\Current\shaders\max\" 2>nul