diff --git a/s138/s138.pyde b/s138/s138.pyde
index 3d1d0895..a20b12c9 100644
--- a/s138/s138.pyde
+++ b/s138/s138.pyde
@@ -1,28 +1,21 @@
 # Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
-from __future__ import division
+# Revisitig ideas from sketch 71 180312  
 
 SKETCH_NAME = "s138"  # 1805168
 
-"""
-Revisitig sketch 71 180312 
-"""
-
-
-
 def setup():
     size(600, 600)
     noFill()
 
 def draw():
-    poly_shape(width / 2, height / 2, PI/3, 3, 2, PI/2)
+    poly_shape(width / 2, height / 2, PI/3, 4)
 
-def poly_shape(x, y, angle, D, sat, rotation):
-    K = 5 # randomness added to vertex positions
-    stroke(frameCount % 256) #black to white, jump to black
+def poly_shape(x, y, angle, D):
+    rv = 3 # randomness added to vertex positions
+    stroke(255 - frameCount % 256) #white to black, jump to white
     with pushMatrix():
         translate(x, y)
-        rotate(rotation)
-        radius = D * 40
+        radius = D * 27
         # create a polygon on a ps PShape object
         ps = createShape()
         ps.beginShape()
@@ -30,7 +23,7 @@ def poly_shape(x, y, angle, D, sat, rotation):
         while a < TWO_PI:
             sx = cos(a) * radius
             sy = sin(a) * radius
-            ps.vertex(sx + random(-K, K), sy + random(-K, K))
+            ps.vertex(sx + random(-rv, rv), sy + random(-rv, rv))
             a += angle
         ps.endShape(CLOSE)  # end of PShape creation
         shape(ps, 0, 0)  # Draw the PShape
@@ -39,5 +32,5 @@ def poly_shape(x, y, angle, D, sat, rotation):
                 # for each vertex
                 pv = ps.getVertex(i)  # gets vertex as a PVector
                 # recusively call poly_shape with a smaller D
-                poly_shape(pv.x, pv.y, angle, D - 1, sat, rotation)
+                poly_shape(pv.x, pv.y, angle, D - 1)
     
diff --git a/s138/sketch.properties b/s138/sketch.properties
new file mode 100644
index 00000000..2456b0ab
--- /dev/null
+++ b/s138/sketch.properties
@@ -0,0 +1,2 @@
+mode=Python
+mode.id=jycessing.mode.PythonMode