diff --git a/specificdoit.sh b/specificdoit.sh
new file mode 100644
index 0000000..b8be0b4
--- /dev/null
+++ b/specificdoit.sh
@@ -0,0 +1,89 @@
+#!/bin/bash
+
+specific_run()
+{
+    local action=$1
+    if [[ $action == "list_labs" ]]
+    then
+	list_labs ./lab	
+    elif [[ $action == emacsdevenv ]]
+    then
+	make -f ${JAVA_MAKEFILE} $action    
+    else
+	echo "[ERROR] unrecognized specific action $action" >&2
+	return
+    fi
+}
+   
+
+# first argument mandatory : directory containing generated .lab and .stl files ( usualy ./lab )
+list_labs()
+{
+    local lab_dir=$1
+    if [[ -d $lab_dir ]]
+    then
+	modified=0
+	s=()
+	properties=()
+	values=()
+	{
+	    pushd $lab_dir
+	    for stl_lab in $(ls *lab*.stl)
+	    do
+		if [[ $stl_lab =~ ^([^0-9]*[0-9]*x[0-9]*).stl ]]
+		then
+		    property=${BASH_REMATCH[1]}
+		    value=$stl_lab
+		    s+=("$property" "$value")
+		    properties+=("$property")
+		    values+=("$value")
+		fi
+	    done
+	    s+=(exit "Exit")
+	    popd
+	}
+	
+	while true 
+	do
+	    property=$($DIALOG --menu "Show stl file from $lab_dir" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
+	    if [[ $? = 0 ]]
+	    then
+		if [[ -n $property ]]
+		then
+		    if [[ $property == exit ]]
+		    then
+			return 1
+		    elif [[ $property == save ]]
+		    then
+			echo "TODO"
+			return 0
+		    fi
+		    prop_len=${#properties[*]}
+		    for  (( i=0; i<${prop_len}; i++ ));
+		    do
+			if [[ ${properties[$i]} == $property ]]
+			then
+			    blender --python blender_import.py -- $lab_dir/${values[$i]}
+			fi
+		    done
+
+		fi
+	    else
+		return 2
+	    fi
+	done
+    else
+	echo "[ERROR] lab dir '$propertyfile' not found" >&2
+    fi
+
+}
+
+# specific to laby project
+if [[ ! -d lab ]]
+then
+    echo "[INFO] Creating directory lab to save default lab created"
+    mkdir lab
+fi
+
+specific_menus+=(list_labs "Show_Labyrinth_with_blender")
+