diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -238,7 +238,7 @@ See [examples](examples).
 - [voronoi/vrn2_space](https://openhome.cc/eGossip/OpenSCAD/lib2x-vrn2_space.html)
 - [voronoi/vrn2_cells_from](https://openhome.cc/eGossip/OpenSCAD/lib2x-vrn2_cells_from.html)
 - [voronoi/vrn2_cells_space](https://openhome.cc/eGossip/OpenSCAD/lib2x-vrn2_cells_space.html)
-- voronoi/vrn3_from
+- [voronoi/vrn3_from](https://openhome.cc/eGossip/OpenSCAD/lib2x-vrn3_from.html)
 - voronoi/vrn3_space
 
 ----
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+# vrn3_from
+
+Creats a 3D version of [Voronoi diagram](https://en.wikipedia.org/wiki/Voronoi_diagram).
+
+**Since:** 2.4
+
+## Parameters
+
+- `points` : Points for each cell. 
+- `spacing` : Distance between cells. Default to 1.
+
+## Examples
+
+    use <voronoi/vrn3_from.scad>;
+
+    r = 30;
+
+    zas = rands(0, 359, 12);
+    yas = rands(0, 179, 12);
+
+    points = [
+        for(i = [0:len(zas) - 1])
+        [
+            r * cos(yas[i]) * cos(zas[i]), 
+            r * cos(yas[i]) * sin(zas[i]), 
+            r * sin(yas[i])
+        ]
+    ];
+
+    #for(pt = points) {
+        translate(pt) cube(1);
+    }
+
+    intersection() {
+        sphere(r);
+        vrn3_from(points);
+    }
+
+![vrn3_from](images/lib2x-vrn3_from-1.JPG)
+
+    use <voronoi/vrn3_from.scad>;
+
+    r = 30;
+    thickness = 2;
+    
+    zas = rands(0, 359, 12);
+    yas = rands(0, 179, 12);
+
+    points = [
+        for(i = [0:len(zas) - 1])
+        [
+            r * cos(yas[i]) * cos(zas[i]), 
+            r * cos(yas[i]) * sin(zas[i]), 
+            r * sin(yas[i])
+        ]
+    ];
+        
+    thickness = 2;
+
+    difference() {
+        sphere(r);
+        
+        render()
+        scale(1.01) 
+        intersection() {
+            sphere(r);
+            vrn3_from(points);
+        }
+        
+        sphere(r - thickness);
+    }    
+    
+![vrn3_from](images/lib2x-vrn3_from-2.JPG)
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