diff --git a/examples/photo_sphere.scad b/examples/photo_sphere.scad
index 07bc2c03..5e951019 100644
--- a/examples/photo_sphere.scad
+++ b/examples/photo_sphere.scad
@@ -1,4 +1,4 @@
-use <experimental/sphere_surface.scad>;
+use <experimental/sf_sphere.scad>;
 
 radius = 50;
 thicnkess = 10;
@@ -105,4 +105,4 @@ levels = [
     [255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255]
 ];
 
-sphere_surface(concat(levels, levels), radius, thicnkess);
\ No newline at end of file
+sf_sphere(concat(levels, levels), radius, thicnkess);
\ No newline at end of file
diff --git a/src/experimental/sphere_surface.scad b/src/experimental/sf_sphere.scad
similarity index 92%
rename from src/experimental/sphere_surface.scad
rename to src/experimental/sf_sphere.scad
index d245f91d..79ef45bf 100644
--- a/src/experimental/sphere_surface.scad
+++ b/src/experimental/sf_sphere.scad
@@ -8,7 +8,7 @@ use <experimental/tf_sphere.scad>;
     angle: [za, xa] mapping angles.
     invert: inverts how the gray levels are translated into height values.
 */
-module sphere_surface(levels, radius, thickness, angle = [180, 360], invert = false) {
+module sf_sphere(levels, radius, thickness, angle = [180, 360], invert = false) {
     columns = len(levels);
     rows = len(levels[0]);