diff --git a/docs/index.rst b/docs/index.rst
index e105f44..d1166a9 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -28,6 +28,7 @@
    :target: https://discord.gg/tpq7Yuv
    :alt: Discord
 
+|
 
 What is Generative design?
 --------------------------
diff --git a/visualizer.py b/visualizer.py
index bb959ec..ba0c6e2 100644
--- a/visualizer.py
+++ b/visualizer.py
@@ -91,10 +91,12 @@ def marchthecubes(inp_path, output_path, resolution=100, density_thresh=0.1):
         data = 0.0 * grid
         # mask??
 
-        for _index in enumerate(data_indices):
+        for _index in data_indices:
             try:
                 data[_index[0]][_index[1]][_index[2]] = 1
-
+            except:
+                pass
+            
         vertices, faces, normals, _ = measure.marching_cubes(data)
         vertices = vertices + lower_bound + 0.5
         vertices = 10 * vertices/resolution - 5