diff --git a/src/experimental/note.md b/src/experimental/note.md
index 13e6071f..67a0dcf0 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -7,4 +7,4 @@ to_do:
 
 - doc: sf add convexity
 
-- new: polyline_hull, superellipsoid, select, dodecahedron, hexahedron, icosahedron, octahedron, tetrahedron
\ No newline at end of file
+- new: polyline_join, superellipsoid, select, dodecahedron, hexahedron, icosahedron, octahedron, tetrahedron
\ No newline at end of file
diff --git a/src/polyline_hull.scad b/src/polyline_join.scad
similarity index 93%
rename from src/polyline_hull.scad
rename to src/polyline_join.scad
index 8ad8314c..52de8108 100644
--- a/src/polyline_hull.scad
+++ b/src/polyline_join.scad
@@ -1,4 +1,4 @@
-module polyline_hull(points) {
+module polyline_join(points) {
     leng = len(points);
     
     module hull_line(index) {