diff --git a/.gitignore b/.gitignore
index f6bbd18..dca5abe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *.pyc
 
 .idea
+.ipynb*
 
 *.ipynb
 
diff --git a/tcl/instconfig/prep1.tcl b/tcl/instconfig/prep1.tcl
new file mode 100644
index 0000000..846c94f
--- /dev/null
+++ b/tcl/instconfig/prep1.tcl
@@ -0,0 +1,2 @@
+# enable automatic N2 filling
+instconfig makeitem n2fill 1
diff --git a/tcl/instconfig/prep2.tcl b/tcl/instconfig/prep2.tcl
new file mode 100644
index 0000000..846c94f
--- /dev/null
+++ b/tcl/instconfig/prep2.tcl
@@ -0,0 +1,2 @@
+# enable automatic N2 filling
+instconfig makeitem n2fill 1
diff --git a/tcl/instconfig/prep3.tcl b/tcl/instconfig/prep3.tcl
new file mode 100644
index 0000000..f7d573e
--- /dev/null
+++ b/tcl/instconfig/prep3.tcl
@@ -0,0 +1,5 @@
+# enable automatic N2 filling
+instconfig makeitem n2fill 1
+# enable automatic He filling
+instconfig makeitem hefill 1
+instconfig makeitem sensirion 1
diff --git a/tcl/instconfig/prep4.tcl b/tcl/instconfig/prep4.tcl
new file mode 100644
index 0000000..846c94f
--- /dev/null
+++ b/tcl/instconfig/prep4.tcl
@@ -0,0 +1,2 @@
+# enable automatic N2 filling
+instconfig makeitem n2fill 1
diff --git a/tcl/instconfig/prep5.tcl b/tcl/instconfig/prep5.tcl
new file mode 100644
index 0000000..8b2a907
--- /dev/null
+++ b/tcl/instconfig/prep5.tcl
@@ -0,0 +1 @@
+# instconfig makeitem stickrot 1
diff --git a/tcl/instconfig/prep7.tcl b/tcl/instconfig/prep7.tcl
new file mode 100644
index 0000000..e3d3e1c
--- /dev/null
+++ b/tcl/instconfig/prep7.tcl
@@ -0,0 +1,3 @@
+# enable automatic N2 filling
+instconfig makeitem n2fill 1
+instconfig makeitem sensirion 1
diff --git a/tcl/instconfig/prep9.tcl b/tcl/instconfig/prep9.tcl
new file mode 100644
index 0000000..9b7f74e
--- /dev/null
+++ b/tcl/instconfig/prep9.tcl
@@ -0,0 +1,2 @@
+instconfig makeitem stickrot 1
+instconfig makeitem sensirion 1