diff --git a/Runtime-and-CoreCount.ipynb b/Runtime-and-CoreCount.ipynb
index 0def6d6c9363dcaa2f603ee799bb5da4e3821e7f..88f5862e7d5ed401ae7aa43d4873d12083bef9db 100644
--- a/Runtime-and-CoreCount.ipynb
+++ b/Runtime-and-CoreCount.ipynb
@@ -495,12 +495,20 @@
     "\n",
     "# 3d veiw of the scatterplot for better understanding of the data\n",
     "elapsed_rqmem_clustergraph_3d = figure.add_subplot(122, projection='3d')\n",
-    "elapsed_rqmem_clustergraph_3d.scatter(df_runtime_cluster['ReqMemCPU'], df_runtime_cluster['Elapsed'], df_runtime_cluster['AllocCPUS'], c=kmeans_elapsed_reqmem.labels_ ,cmap='rainbow')\n",
+    "elapsed_rqmem_clustergraph_3d.scatter(df_runtime_cluster['ReqMemCPU'], df_runtime_cluster['Elapsed'], df_runtime_cluster['AllocCPUS'], \n",
+    "                                      c=kmeans_elapsed_reqmem.labels_ ,cmap='rainbow')\n",
     "elapsed_rqmem_clustergraph_3d.scatter(kmeans_elapsed_reqmem.cluster_centers_[:,0] ,kmeans_elapsed_reqmem.cluster_centers_[:,1], color='black')\n",
+    "\n",
+    "\n",
     "elapsed_rqmem_clustergraph_3d.set_xlabel('ReqMemCPU(gigs)')\n",
     "elapsed_rqmem_clustergraph_3d.set_ylabel('Elapsed(hours)')\n",
     "elapsed_rqmem_clustergraph_3d.set_zlabel('AllocCPUS')\n",
     "\n",
+    "# sets size and color for gridlines by axis\n",
+    "elapsed_rqmem_clustergraph_3d.xaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "elapsed_rqmem_clustergraph_3d.yaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "elapsed_rqmem_clustergraph_3d.zaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "\n",
     "plt.show()\n"
    ]
   },
@@ -718,6 +726,11 @@
     "elapsed_alloc_clustergraph_3d.set_ylabel('Elapsed(hours)')\n",
     "elapsed_alloc_clustergraph_3d.set_zlabel('ReqMemCPU(gigs)')\n",
     "\n",
+    "# sets size and color for gridlines by axis\n",
+    "elapsed_alloc_clustergraph_3d.xaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "elapsed_alloc_clustergraph_3d.yaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "elapsed_alloc_clustergraph_3d.zaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "\n",
     "plt.show()"
    ]
   },
@@ -1002,6 +1015,11 @@
     "alloc_reqmem_clustergraph_3d.set_ylabel('AllocCPUS')\n",
     "alloc_reqmem_clustergraph_3d.set_zlabel('Elapsed(hours)')\n",
     "\n",
+    "# sets size and color for gridlines by axis\n",
+    "alloc_reqmem_clustergraph_3d.xaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "alloc_reqmem_clustergraph_3d.yaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "alloc_reqmem_clustergraph_3d.zaxis._axinfo[\"grid\"].update({\"linewidth\":.5, \"color\" : \"black\"})\n",
+    "\n",
     "plt.show()"
    ]
   },