diff --git a/src/experimental/note.md b/src/experimental/note.md
index 321343f1..51ac9026 100644
--- a/src/experimental/note.md
+++ b/src/experimental/note.md
@@ -1,3 +1,10 @@
 to_do:
 
 - deprecate `trianglate`, use `tri_ear_clipping`.
+
+next:
+
+- vx_contour
+- maze/*
+- polygon_hull
+- polyhedron_hull
\ No newline at end of file
diff --git a/src/experimental/polygon_hull.scad b/src/polygon_hull.scad
similarity index 64%
rename from src/experimental/polygon_hull.scad
rename to src/polygon_hull.scad
index 25d7fec9..4b20d9a9 100644
--- a/src/experimental/polygon_hull.scad
+++ b/src/polygon_hull.scad
@@ -1,4 +1,4 @@
-use <../__comm__/_convex_hull2.scad>;
+use <__comm__/_convex_hull2.scad>;
 
 module polygon_hull(points) {
     polygon(_convex_hull2(points));
diff --git a/src/experimental/polyhedron_hull.scad b/src/polyhedron_hull.scad
similarity index 75%
rename from src/experimental/polyhedron_hull.scad
rename to src/polyhedron_hull.scad
index 5ea30a76..ea1b05c3 100644
--- a/src/experimental/polyhedron_hull.scad
+++ b/src/polyhedron_hull.scad
@@ -1,4 +1,4 @@
-use <../__comm__/_convex_hull3.scad>;
+use <__comm__/_convex_hull3.scad>;
 
 module polyhedron_hull(points) {
     vts_faces = _convex_hull3(points);