diff --git a/s167/s167.pde b/s167/s167.pde
index a1bdc7cb..aad130ba 100644
--- a/s167/s167.pde
+++ b/s167/s167.pde
@@ -4,7 +4,7 @@ String SKETCH_NAME = "s167"; // 180615
 import peasy.*;
 
 PeasyCam cam;
-ArrayList<PVector> pontos; 
+ArrayList<PVector> points; 
 ArrayList<PVector[]> lines; 
 
 float space;
@@ -15,7 +15,7 @@ void setup() {
   cam.setMinimumDistance(100);
   cam.setMaximumDistance(1000);
 
-  pontos = new ArrayList<PVector>();
+  points = new ArrayList<PVector>();
   lines = new ArrayList<PVector[]>();
 
   int gridDim = 10;
@@ -26,12 +26,12 @@ void setup() {
         float x = space/2 + ix * space - width/2 + random(-2, 2);
         float y = space/2 + iy * space - width/2 + random(-2, 2);
         float z = space/2 + iz * space - width/2 + random(-2, 2);
-        pontos.add(new PVector(x, y, z));
+        points.add(new PVector(x, y, z));
       }
     }
   }
-  for (PVector p : pontos) {
-    for (PVector op : pontos) {
+  for (PVector p : points) {
+    for (PVector op : points) {
       if (dist(p.x, p.y, p.z, op.x, op.y, op.z) < space) {
         lines.add(new PVector[]{p, op});
       }
@@ -43,7 +43,7 @@ void setup() {
 void draw() {
   //rotateY(frameCount/1000.);
   background(200);
-  for (PVector p : pontos) {
+  for (PVector p : points) {
     pushMatrix();
     translate(p.x, p.y, p.z);
     fill(0);
diff --git a/s167_py/s167_py.pyde b/s167_py/s167_py.pyde
index ff8f49b5..bbd8117e 100644
--- a/s167_py/s167_py.pyde
+++ b/s167_py/s167_py.pyde
@@ -3,7 +3,7 @@ SKETCH_NAME = "s167"  # 180615
 
 add_library('peasycam')
 
-pontos, lines = [], []
+points, lines = [], []
 
 def setup():
     global space
@@ -21,24 +21,23 @@ def setup():
                 x = space / 2 + ix * space - width / 2 + random(-2, 2)
                 y = space / 2 + iy * space - width / 2 + random(-2, 2)
                 z = space / 2 + iz * space - width / 2 + random(-2, 2)
-                pontos.append(PVector(x, y, z))
-    for p in pontos:
-        for op in pontos:
+                points.append(PVector(x, y, z))
+    for p in points:
+        for op in points:
             stroke(200, 0, 100)
             if (dist( p.x,  p.y,  p.z,
                      op.x, op.y, op.z) < space * 1):
-                lines.append((p.x, p.y, p.z, op.x, op.y, op.z))
+                lines.append((p, op))
 
 def draw():
     background(200)
-    for p in pontos:
+    for p in points:
         pushMatrix()
         translate(p.x, p.y, p.z)
         fill(0)
         noStroke()
         box(4)
         popMatrix()
-    for l in lines:
+    for (p1, p2) in lines:
             stroke(200, 0, 100)
-            px, py, pz, ox, oy, oz = l
-            line(px, py, pz, ox, oy, oz)
+            line(p1.x, p1.y, p1.z, p2.x, p2.y, p2.z)
diff --git a/s168/s168.pyde b/s168/s168.pyde
index ccb87766..efaaeca6 100644
--- a/s168/s168.pyde
+++ b/s168/s168.pyde
@@ -1,9 +1,9 @@
 # Alexandre B A Villares - https://abav.lugaralgum.com / sketch - a - day
-SKETCH_NAME = "s167"  # 180615
+SKETCH_NAME = "s168"  # 180616
 
 add_library('peasycam')
 
-boxes, lines, walls = [], [], []
+points, lines, walls = [], [], []
 
 def setup():
     global space
@@ -22,9 +22,9 @@ def setup():
                 x = space / 2 + ix * space - width / 2 + random(2)
                 y = space / 2 + iy * space - width / 2 + random(2)
                 z = space / 2 + iz * space - width / 2  # + random(-2, 2)
-                boxes.append(PVector(x, y, z))
-    for p in boxes:
-        for op in boxes:
+                points.append(PVector(x, y, z))
+    for p in points:
+        for op in points:
             if p != op:
                 stroke(200, 0, 100)
                 if (dist(p.x, p.y, p.z,
@@ -60,7 +60,7 @@ def draw():
         stroke(200, 0, 100)
         line(p.x, p.y, p.z, op.x, op.y, op.z)
 
-    for p in boxes:
+    for p in points:
         pushMatrix()
         translate(p.x, p.y, p.z)
         fill(0)