diff --git a/s307/line_geometry.py b/s307/line_geometry.py
index 92b4ea47..9cb6a053 100644
--- a/s307/line_geometry.py
+++ b/s307/line_geometry.py
@@ -128,11 +128,12 @@ def min_max(points):
                 PVector(max_x, max_y))
         
 def par_hatch(points, divisions, *sides):
+        vectors = [PVector(p.x, p.y) for p in points]
         lines = []
         if not sides: sides = [0]
         for s in sides:
-            a, b = points[-1 + s].v, points[+0 + s].v
-            d, c = points[-2 + s].v, points[-3 + s].v
+            a, b = vectors[-1 + s], vectors[+0 + s]
+            d, c = vectors[-2 + s], vectors[-3 + s]
             for i in range(1, divisions):
                 s0 = PVector.lerp(a, b, i/float(divisions))
                 s1 = PVector.lerp(d, c, i/float(divisions))
diff --git a/s307/s307.pyde b/s307/s307.pyde
index b2b0169d..c86a7c72 100644
--- a/s307/s307.pyde
+++ b/s307/s307.pyde
@@ -67,7 +67,7 @@ class Node():
            self.py += sqrt(abs(self.py - my)) * qy
         self.x = self.px
         self.y = self.py
-        self.v = PVector(self.x, self.y)
+        #self.v = PVector(self.x, self.y)
 
 class Cell():
     cells = []
@@ -92,7 +92,7 @@ class Cell():
         noFill()
         strokeWeight(2)
         for p in self.vers:
-            vertex(p.v.x, p.v.y)
+            vertex(p.x, p.y)
         endShape(CLOSE)
         
     def update_vers(self):