diff --git a/doc/groovy/3D.ipynb b/doc/groovy/3D.ipynb
new file mode 100644
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+++ b/doc/groovy/3D.ipynb
@@ -0,0 +1,96 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 3D Visualization and Maps\n",
+    "\n",
+    "There are Groovy APIs for [ipyvolume](https://github.com/maartenbreddels/ipyvolume),\n",
+    "[pythreejs](https://github.com/jupyter-widgets/pythreejs), and [ipyleaflet](https://github.com/jupyter-widgets/ipyleaflet)."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "method": "display_data"
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "3b12ce46-89c9-4b76-97da-16f8f0998d02",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "method": "display_data"
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "%classpath config resolver jitpack.io https://jitpack.io\n",
+    "%classpath add mvn com.github.twosigma:ipyvolume:lmitusinski~beakerx-widget-SNAPSHOT\n",
+    "import ipyvolume.PyLab;\n",
+    "\n",
+    "int size = 32;\n",
+    "int radius = 12;\n",
+    "float[][][] data = new float[size][size][size];\n",
+    "for (int x = 0; x<size; x++){\n",
+    "    for (int y = 0; y<size; y++){\n",
+    "        for (int z = 0; z<size; z++){\n",
+    "            if (Math.pow(x - size/2, 2) + Math.pow(y - size/2, 2) + Math.pow(z - size/2, 2) <= Math.pow(radius, 2)){\n",
+    "                data[x][y][z] = 1.0f;\n",
+    "            }\n",
+    "        }\n",
+    "    }\n",
+    "}\n",
+    "\n",
+    "figure = PyLab.volShow(data)"
+   ]
+  }
+ ],
+ "metadata": {
+  "anaconda-cloud": {},
+  "beakerx_kernel_parameters": {},
+  "kernelspec": {
+   "display_name": "Groovy",
+   "language": "groovy",
+   "name": "groovy"
+  },
+  "language_info": {
+   "codemirror_mode": "groovy",
+   "file_extension": ".groovy",
+   "mimetype": "",
+   "name": "Groovy",
+   "nbconverter_exporter": "",
+   "version": "2.4.3"
+  },
+  "widgets": {
+   "state": {
+    "f6132997-5d22-4fbe-b4f9-16d41cb4e58b": {
+     "views": [
+      {
+       "cell_index": 0
+      }
+     ]
+    }
+   },
+   "version": "1.2.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 1
+}