diff --git a/s068/s068.pyde b/s068/s068.pyde
index 8b8317fc..63e303cf 100644
--- a/s068/s068.pyde
+++ b/s068/s068.pyde
@@ -1,21 +1,24 @@
 """
-sketch 67 180308 - Alexandre B A Villares
+sketch 68 180309 - Alexandre B A Villares
 https://abav.lugaralgum.com/sketch-a-day
 """
 from __future__ import division
 from slider import Slider
 
-i = Slider(PI / 6, TWO_PI / 3, QUARTER_PI)
-j = Slider(1, 4, 2)
-k = Slider(10, 50, 25)
-
-I, J, K = 1, 1, 1 # dummy initial slider values
+# slider_object = Slider(lowest, highest, initial value)
+i = Slider(PI / 6, TWO_PI / 3, QUARTER_PI) # angle, changes number of sides
+j = Slider(1, 4, 2) # depth, changes number of recursions (fiddled afterwards)
+k = Slider(10, 50, 25) # offset, changes scale
 
+I, J, K = 1, 1, 1 # dummy initial slider global values
+# ^ I need these globals because I want to read/draw sliders 
+#   at the end of the draw loop so they draw on top
 
 def setup():
     size(600, 600)
-    colorMode(HSB)
+    colorMode(HSB) # makes it easy to cycle colors through Hues...
     noFill()
+    # Position Sliders (x, y)
     i.position(20, 20)
     j.position(20, 60)
     k.position(20, 100)
@@ -26,18 +29,19 @@ def draw():
     poly_shape(width / 2, height/2, I, J, K)
     # Read and update sliders
     I = i.value()  # from PI/6 to TWO_PI/3
-    j.high = 3 + I * 1.5 # change J's upper limit
+    j.high = 3 + I * 1.5 # change J's upper limit...
     J = j.value()  # 1 to 3 + I * 1.5 
     K = k.value()  # 10 to 50
-    #if not frameCount % 100: saveFrame("s####.tga")
+    #if not frameCount % 100: saveFrame("s####.tga") # uncomment to save frames!
 
 def poly_shape(x, y, angle, D, offset):
     stroke((frameCount / 2 * D) % 256, 255, 255, 255)
     strokeWeight(D)
     with pushMatrix():
         translate(x, y)
-        # rotate(radians(30))
+        # rotate(radians(30)) # saved for the next day ;) !
         radius = D * offset
+        # create a polygon on a ps PShape object
         ps = createShape()
         ps.beginShape()
         a = 0
@@ -46,9 +50,11 @@ def poly_shape(x, y, angle, D, offset):
             sy = sin(a) * radius
             ps.vertex(sx, sy)
             a += angle
-        ps.endShape(CLOSE)
-        shape(ps, 0, 0)
-        if D > 1:
+        ps.endShape(CLOSE)  # end of PShape creation
+        shape(ps, 0, 0) # Draw the PShape
+        if D > 1:  # if the recursion 'distance'/'depth' allows...
             for i in range(ps.getVertexCount()):
-                pv = ps.getVertex(i)  # PVector
+                # 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, offset)
diff --git a/s068/slider$py.class b/s068/slider$py.class
new file mode 100644
index 00000000..2e3fe395
Binary files /dev/null and b/s068/slider$py.class differ