diff --git a/benchmarks/helicalMixer/helicalMixer_1m/cleanThisCase b/benchmarks/helicalMixer/helicalMixer_1m/cleanThisCase
index 8a0ab919..28a129f4 100755
--- a/benchmarks/helicalMixer/helicalMixer_1m/cleanThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_1m/cleanThisCase
@@ -3,5 +3,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
 rm -rf VTK 
-
+rm -rf stl
 #------------------------------------------------------------------------------
diff --git a/benchmarks/helicalMixer/helicalMixer_1m/runThisCase b/benchmarks/helicalMixer/helicalMixer_1m/runThisCase
index a5ab12b0..cfa1f07d 100755
--- a/benchmarks/helicalMixer/helicalMixer_1m/runThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_1m/runThisCase
@@ -1,5 +1,14 @@
 #!/bin/sh
+
+set -e  # Exit immediately if a command exits with a non-zero status
 cd ${0%/*} || exit 1    # Run from this directory
+
+echo "\n<--------------------------------------------------------------------->"
+echo "0) Copying stl files"
+echo "\n<--------------------------------------------------------------------->"
+mkdir -p stl
+cp -rfv $pFlow_PROJECT_DIR/resources/stls/helicalMixer/* ./stl/
+
 echo "\n<--------------------------------------------------------------------->"
 echo "1) Creating particles"
 echo "<--------------------------------------------------------------------->\n"
diff --git a/benchmarks/helicalMixer/helicalMixer_2m/cleanThisCase b/benchmarks/helicalMixer/helicalMixer_2m/cleanThisCase
index 8a0ab919..28a129f4 100755
--- a/benchmarks/helicalMixer/helicalMixer_2m/cleanThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_2m/cleanThisCase
@@ -3,5 +3,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
 rm -rf VTK 
-
+rm -rf stl
 #------------------------------------------------------------------------------
diff --git a/benchmarks/helicalMixer/helicalMixer_2m/runThisCase b/benchmarks/helicalMixer/helicalMixer_2m/runThisCase
index a5ab12b0..cfa1f07d 100755
--- a/benchmarks/helicalMixer/helicalMixer_2m/runThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_2m/runThisCase
@@ -1,5 +1,14 @@
 #!/bin/sh
+
+set -e  # Exit immediately if a command exits with a non-zero status
 cd ${0%/*} || exit 1    # Run from this directory
+
+echo "\n<--------------------------------------------------------------------->"
+echo "0) Copying stl files"
+echo "\n<--------------------------------------------------------------------->"
+mkdir -p stl
+cp -rfv $pFlow_PROJECT_DIR/resources/stls/helicalMixer/* ./stl/
+
 echo "\n<--------------------------------------------------------------------->"
 echo "1) Creating particles"
 echo "<--------------------------------------------------------------------->\n"
diff --git a/benchmarks/helicalMixer/helicalMixer_4m/cleanThisCase b/benchmarks/helicalMixer/helicalMixer_4m/cleanThisCase
index 8a0ab919..28a129f4 100755
--- a/benchmarks/helicalMixer/helicalMixer_4m/cleanThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_4m/cleanThisCase
@@ -3,5 +3,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
 rm -rf VTK 
-
+rm -rf stl
 #------------------------------------------------------------------------------
diff --git a/benchmarks/helicalMixer/helicalMixer_4m/runThisCase b/benchmarks/helicalMixer/helicalMixer_4m/runThisCase
index a5ab12b0..cfa1f07d 100755
--- a/benchmarks/helicalMixer/helicalMixer_4m/runThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_4m/runThisCase
@@ -1,5 +1,14 @@
 #!/bin/sh
+
+set -e  # Exit immediately if a command exits with a non-zero status
 cd ${0%/*} || exit 1    # Run from this directory
+
+echo "\n<--------------------------------------------------------------------->"
+echo "0) Copying stl files"
+echo "\n<--------------------------------------------------------------------->"
+mkdir -p stl
+cp -rfv $pFlow_PROJECT_DIR/resources/stls/helicalMixer/* ./stl/
+
 echo "\n<--------------------------------------------------------------------->"
 echo "1) Creating particles"
 echo "<--------------------------------------------------------------------->\n"
diff --git a/benchmarks/helicalMixer/helicalMixer_500k/cleanThisCase b/benchmarks/helicalMixer/helicalMixer_500k/cleanThisCase
index 8a0ab919..28a129f4 100755
--- a/benchmarks/helicalMixer/helicalMixer_500k/cleanThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_500k/cleanThisCase
@@ -3,5 +3,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 ls | grep -P "^(([0-9]+\.?[0-9]*)|(\.[0-9]+))$" | xargs -d"\n" rm -rf
 rm -rf VTK 
-
+rm -rf stl
 #------------------------------------------------------------------------------
diff --git a/benchmarks/helicalMixer/helicalMixer_500k/runThisCase b/benchmarks/helicalMixer/helicalMixer_500k/runThisCase
index a5ab12b0..cfa1f07d 100755
--- a/benchmarks/helicalMixer/helicalMixer_500k/runThisCase
+++ b/benchmarks/helicalMixer/helicalMixer_500k/runThisCase
@@ -1,5 +1,14 @@
 #!/bin/sh
+
+set -e  # Exit immediately if a command exits with a non-zero status
 cd ${0%/*} || exit 1    # Run from this directory
+
+echo "\n<--------------------------------------------------------------------->"
+echo "0) Copying stl files"
+echo "\n<--------------------------------------------------------------------->"
+mkdir -p stl
+cp -rfv $pFlow_PROJECT_DIR/resources/stls/helicalMixer/* ./stl/
+
 echo "\n<--------------------------------------------------------------------->"
 echo "1) Creating particles"
 echo "<--------------------------------------------------------------------->\n"