diff --git a/Segment_Delaunay_graph_Linf_2/developer_scripts/lsp2plg.py b/Segment_Delaunay_graph_Linf_2/developer_scripts/lsp2plg.py
new file mode 100755
index 00000000000..f1666afed2f
--- /dev/null
+++ b/Segment_Delaunay_graph_Linf_2/developer_scripts/lsp2plg.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import sys
+
+for line in sys.stdin:
+    linesplit = line.strip().split()
+    if len(linesplit) == 3:
+        assert(linesplit[0] == 'p')
+        print('1')
+        print(linesplit[1] + ' ' + linesplit[2])
+    elif len(linesplit) == 5:
+        assert(linesplit[0] == 's')
+        print('2')
+        print(linesplit[1] + ' ' + linesplit[2])
+        print(linesplit[3] + ' ' + linesplit[4])
+    elif len(linesplit) == 0:
+        print