diff --git a/scripts/deps.sh b/scripts/deps.sh
index df4dc38..0299f9d 100644
--- a/scripts/deps.sh
+++ b/scripts/deps.sh
@@ -12,6 +12,7 @@ DEPS=(
 	sqlite3
 	admesh
 	openscad
+	python3
 )
 
 for dep in ${DEPS[@]}; do
diff --git a/scripts/v3.sh b/scripts/v3.sh
index 5909d9c..2b8b36f 100644
--- a/scripts/v3.sh
+++ b/scripts/v3.sh
@@ -66,6 +66,8 @@ render_part () {
 	else
 		firstline=`head -n 1 "$stl"`
 		if [[ $firstline == solid* ]]; then
+			#order stl file if ascii
+			python3 scripts/c14n_stl.py "$stl"
 			#convert from ascii to binary
 			tmpBinary=`mktemp`
 			admesh -c -b "$tmpBinary" "$stl"