diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..8efbc97
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "python.pythonPath": "/Users/socheatsok/.local/share/virtualenvs/example-diagram-_yIQ0hfF/bin/python"
+}
\ No newline at end of file
diff --git a/Brewfile b/Brewfile
new file mode 100644
index 0000000..d739110
--- /dev/null
+++ b/Brewfile
@@ -0,0 +1 @@
+brew "graphviz"
diff --git a/Brewfile.lock.json b/Brewfile.lock.json
new file mode 100644
index 0000000..9b2f30d
--- /dev/null
+++ b/Brewfile.lock.json
@@ -0,0 +1,39 @@
+{
+  "entries": {
+    "brew": {
+      "graphviz": {
+        "version": "2.42.2",
+        "bottle": {
+          "cellar": "/usr/local/Cellar",
+          "prefix": "/usr/local",
+          "files": {
+            "catalina": {
+              "url": "https://homebrew.bintray.com/bottles/graphviz-2.42.2.catalina.bottle.tar.gz",
+              "sha256": "fd65173d4f2bf9b4412f42939acc10815ba8974f5cdac342a9afd619acc70829"
+            },
+            "mojave": {
+              "url": "https://homebrew.bintray.com/bottles/graphviz-2.42.2.mojave.bottle.tar.gz",
+              "sha256": "abf938b188d15e2bf1b7447635f1e13a46baaa00f0e38ea6e5122e603f6b491d"
+            },
+            "high_sierra": {
+              "url": "https://homebrew.bintray.com/bottles/graphviz-2.42.2.high_sierra.bottle.tar.gz",
+              "sha256": "df7bafeabe8c94cc513c394ba3fa587ae2b209a25fa42f1b507dfae67029f47d"
+            }
+          }
+        }
+      }
+    }
+  },
+  "system": {
+    "macos": {
+      "catalina": {
+        "HOMEBREW_VERSION": "2.2.6-31-g2834a75",
+        "HOMEBREW_PREFIX": "/usr/local",
+        "Homebrew/homebrew-core": "32dae6428d5d9a8c0c321d18e08d16a0a13212f4",
+        "CLT": "11.0.33.8",
+        "Xcode": "11.3",
+        "macOS": "10.15.3"
+      }
+    }
+  }
+}
diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..e96f172
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,14 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+jupyter = "*"
+notebook = "*"
+
+[packages]
+diagrams = "*"
+
+[requires]
+python_version = "3.8"
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 0000000..420dc1a
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,456 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "00a6366650f68011be8d23f5a04e84ae74af967b48a0cc5117e81425f1119cd7"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.8"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "diagrams": {
+            "hashes": [
+                "sha256:d1278b2b75c3b1fb0bc53077f073bb0649bcae6f6ad52fc15b9683b56287c314",
+                "sha256:f985b6fc6af3c428a304025f255650909b14acd4e364e48980f858d447f7f24e"
+            ],
+            "index": "pypi",
+            "version": "==0.6.2"
+        },
+        "graphviz": {
+            "hashes": [
+                "sha256:241fb099e32b8e8c2acca747211c8237e40c0b89f24b1622860075d59f4c4b25",
+                "sha256:60acbeee346e8c14555821eab57dbf68a169e6c10bce40e83c1bf44f63a62a01"
+            ],
+            "version": "==0.13.2"
+        },
+        "jinja2": {
+            "hashes": [
+                "sha256:93187ffbc7808079673ef52771baa950426fd664d3aad1d0fa3e95644360e250",
+                "sha256:b0eaf100007721b5c16c1fc1eecb87409464edc10469ddc9a22a27a99123be49"
+            ],
+            "version": "==2.11.1"
+        },
+        "markupsafe": {
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+                "sha256:596510de112c685489095da617b5bcbbac7dd6384aeebeda4df6025d0256a81b",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15",
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+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2",
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+                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
+            ],
+            "version": "==1.1.1"
+        }
+    },
+    "develop": {
+        "appnope": {
+            "hashes": [
+                "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
+                "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
+            ],
+            "markers": "platform_system == 'Darwin'",
+            "version": "==0.1.0"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
+            "version": "==19.3.0"
+        },
+        "backcall": {
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+                "sha256:56b2105a80e9c4df49de85e125feb6be69f49920e121406f15e7acde6c9dfc57",
+                "sha256:951af01f61e6dccd04159042a0706a31ad437864ec6e25d0d7a96a9fbb9b0095"
+            ],
+            "version": "==0.6.1"
+        },
+        "pexpect": {
+            "hashes": [
+                "sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937",
+                "sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c"
+            ],
+            "markers": "sys_platform != 'win32'",
+            "version": "==4.8.0"
+        },
+        "pickleshare": {
+            "hashes": [
+                "sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca",
+                "sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56"
+            ],
+            "version": "==0.7.5"
+        },
+        "prometheus-client": {
+            "hashes": [
+                "sha256:71cd24a2b3eb335cb800c7159f423df1bd4dcd5171b234be15e3f31ec9f622da"
+            ],
+            "version": "==0.7.1"
+        },
+        "prompt-toolkit": {
+            "hashes": [
+                "sha256:a402e9bf468b63314e37460b68ba68243d55b2f8c4d0192f85a019af3945050e",
+                "sha256:c93e53af97f630f12f5f62a3274e79527936ed466f038953dfa379d4941f651a"
+            ],
+            "version": "==3.0.3"
+        },
+        "ptyprocess": {
+            "hashes": [
+                "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0",
+                "sha256:d7cc528d76e76342423ca640335bd3633420dc1366f258cb31d05e865ef5ca1f"
+            ],
+            "markers": "os_name != 'nt'",
+            "version": "==0.6.0"
+        },
+        "pygments": {
+            "hashes": [
+                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
+                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
+            ],
+            "version": "==2.5.2"
+        },
+        "pyrsistent": {
+            "hashes": [
+                "sha256:cdc7b5e3ed77bed61270a47d35434a30617b9becdf2478af76ad2c6ade307280"
+            ],
+            "version": "==0.15.7"
+        },
+        "python-dateutil": {
+            "hashes": [
+                "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
+                "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
+            ],
+            "version": "==2.8.1"
+        },
+        "pyzmq": {
+            "hashes": [
+                "sha256:01b588911714a6696283de3904f564c550c9e12e8b4995e173f1011755e01086",
+                "sha256:0573b9790aa26faff33fba40f25763657271d26f64bffb55a957a3d4165d6098",
+                "sha256:0fa82b9fc3334478be95a5566f35f23109f763d1669bb762e3871a8fa2a4a037",
+                "sha256:1e59b7b19396f26e360f41411a5d4603356d18871049cd7790f1a7d18f65fb2c",
+                "sha256:2a294b4f44201bb21acc2c1a17ff87fbe57b82060b10ddb00ac03e57f3d7fcfa",
+                "sha256:355b38d7dd6f884b8ee9771f59036bcd178d98539680c4f87e7ceb2c6fd057b6",
+                "sha256:4b73d20aec63933bbda7957e30add233289d86d92a0bb9feb3f4746376f33527",
+                "sha256:4ec47f2b50bdb97df58f1697470e5c58c3c5109289a623e30baf293481ff0166",
+                "sha256:5541dc8cad3a8486d58bbed076cb113b65b5dd6b91eb94fb3e38a3d1d3022f20",
+                "sha256:6fca7d11310430e751f9832257866a122edf9d7b635305c5d8c51f74a5174d3d",
+                "sha256:7369656f89878455a5bcd5d56ca961884f5d096268f71c0750fc33d6732a25e5",
+                "sha256:75d73ee7ca4b289a2a2dfe0e6bd8f854979fc13b3fe4ebc19381be3b04e37a4a",
+                "sha256:80c928d5adcfa12346b08d31360988d843b54b94154575cccd628f1fe91446bc",
+                "sha256:83ce18b133dc7e6789f64cb994e7376c5aa6b4aeced993048bf1d7f9a0fe6d3a",
+                "sha256:8b8498ceee33a7023deb2f3db907ca41d6940321e282297327a9be41e3983792",
+                "sha256:8c69a6cbfa94da29a34f6b16193e7c15f5d3220cb772d6d17425ff3faa063a6d",
+                "sha256:8ff946b20d13a99dc5c21cb76f4b8b253eeddf3eceab4218df8825b0c65ab23d",
+                "sha256:972d723a36ab6a60b7806faa5c18aa3c080b7d046c407e816a1d8673989e2485",
+                "sha256:a6c9c42bbdba3f9c73aedbb7671815af1943ae8073e532c2b66efb72f39f4165",
+                "sha256:aa3872f2ebfc5f9692ef8957fe69abe92d905a029c0608e45ebfcd451ad30ab5",
+                "sha256:cf08435b14684f7f2ca2df32c9df38a79cdc17c20dc461927789216cb43d8363",
+                "sha256:d30db4566177a6205ed1badb8dbbac3c043e91b12a2db5ef9171b318c5641b75",
+                "sha256:d5ac84f38575a601ab20c1878818ffe0d09eb51d6cb8511b636da46d0fd8949a",
+                "sha256:e37f22eb4bfbf69cd462c7000616e03b0cdc1b65f2d99334acad36ea0e4ddf6b",
+                "sha256:e6549dd80de7b23b637f586217a4280facd14ac01e9410a037a13854a6977299",
+                "sha256:ed6205ca0de035f252baa0fd26fdd2bc8a8f633f92f89ca866fd423ff26c6f25",
+                "sha256:efdde21febb9b5d7a8e0b87ea2549d7e00fda1936459cfb27fb6fca0c36af6c1",
+                "sha256:f4e72646bfe79ff3adbf1314906bbd2d67ef9ccc71a3a98b8b2ccbcca0ab7bec"
+            ],
+            "version": "==18.1.1"
+        },
+        "qtconsole": {
+            "hashes": [
+                "sha256:4de25b8895957d23ceacf2526b6f0a76da4e60e60115611930d387c853f3cb08",
+                "sha256:654f423662e7dfe6a9b26fac8ec76aedcf742c339909ac49f1f0c1a1b744bcd1"
+            ],
+            "version": "==4.6.0"
+        },
+        "send2trash": {
+            "hashes": [
+                "sha256:60001cc07d707fe247c94f74ca6ac0d3255aabcb930529690897ca2a39db28b2",
+                "sha256:f1691922577b6fa12821234aeb57599d887c4900b9ca537948d2dac34aea888b"
+            ],
+            "version": "==1.5.0"
+        },
+        "six": {
+            "hashes": [
+                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
+                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+            ],
+            "version": "==1.14.0"
+        },
+        "terminado": {
+            "hashes": [
+                "sha256:4804a774f802306a7d9af7322193c5390f1da0abb429e082a10ef1d46e6fb2c2",
+                "sha256:a43dcb3e353bc680dd0783b1d9c3fc28d529f190bc54ba9a229f72fe6e7a54d7"
+            ],
+            "version": "==0.8.3"
+        },
+        "testpath": {
+            "hashes": [
+                "sha256:60e0a3261c149755f4399a1fff7d37523179a70fdc3abdf78de9fc2604aeec7e",
+                "sha256:bfcf9411ef4bf3db7579063e0546938b1edda3d69f4e1fb8756991f5951f85d4"
+            ],
+            "version": "==0.4.4"
+        },
+        "tornado": {
+            "hashes": [
+                "sha256:349884248c36801afa19e342a77cc4458caca694b0eda633f5878e458a44cb2c",
+                "sha256:398e0d35e086ba38a0427c3b37f4337327231942e731edaa6e9fd1865bbd6f60",
+                "sha256:4e73ef678b1a859f0cb29e1d895526a20ea64b5ffd510a2307b5998c7df24281",
+                "sha256:559bce3d31484b665259f50cd94c5c28b961b09315ccd838f284687245f416e5",
+                "sha256:abbe53a39734ef4aba061fca54e30c6b4639d3e1f59653f0da37a0003de148c7",
+                "sha256:c845db36ba616912074c5b1ee897f8e0124df269468f25e4fe21fe72f6edd7a9",
+                "sha256:c9399267c926a4e7c418baa5cbe91c7d1cf362d505a1ef898fde44a07c9dd8a5"
+            ],
+            "version": "==6.0.3"
+        },
+        "traitlets": {
+            "hashes": [
+                "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
+                "sha256:d023ee369ddd2763310e4c3eae1ff649689440d4ae59d7485eb4cfbbe3e359f7"
+            ],
+            "version": "==4.3.3"
+        },
+        "wcwidth": {
+            "hashes": [
+                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
+                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
+            ],
+            "version": "==0.1.8"
+        },
+        "webencodings": {
+            "hashes": [
+                "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78",
+                "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"
+            ],
+            "version": "==0.5.1"
+        },
+        "widgetsnbextension": {
+            "hashes": [
+                "sha256:079f87d87270bce047512400efd70238820751a11d2d8cb137a5a5bdbaf255c7",
+                "sha256:bd314f8ceb488571a5ffea6cc5b9fc6cba0adaf88a9d2386b93a489751938bcd"
+            ],
+            "version": "==3.5.1"
+        }
+    }
+}
diff --git a/generator/generate.ipynb b/generator/generate.ipynb
new file mode 100644
index 0000000..dd38a24
--- /dev/null
+++ b/generator/generate.ipynb
@@ -0,0 +1,84 @@
+{
+ "nbformat": 4,
+ "nbformat_minor": 2,
+ "metadata": {
+  "language_info": {
+   "name": "python",
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "version": "3.8.1-final"
+  },
+  "orig_nbformat": 2,
+  "file_extension": ".py",
+  "mimetype": "text/x-python",
+  "name": "python",
+  "npconvert_exporter": "python",
+  "pygments_lexer": "ipython3",
+  "version": 3,
+  "kernelspec": {
+   "name": "python38164bitexamplediagrampipenv715191b3bad04cc1b3bdbbb1ff1d427d",
+   "display_name": "Python 3.8.1 64-bit ('example-diagram': pipenv)"
+  }
+ },
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from diagrams import Diagram\n",
+    "from diagrams.aws.compute import EC2\n",
+    "from diagrams.aws.database import RDS\n",
+    "from diagrams.aws.network import ELB"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "with Diagram(\"Web Service\", show=False):\n",
+    "    ELB(\"lb\") >> EC2(\"web\") >> RDS(\"userdb\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "![Web Service](web_service.png)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "with Diagram(\"Grouped Workers\", show=False, direction=\"TB\"):\n",
+    "    ELB(\"lb\") >> [EC2(\"worker1\"),\n",
+    "                  EC2(\"worker2\"),\n",
+    "                  EC2(\"worker3\"),\n",
+    "                  EC2(\"worker4\"),\n",
+    "                  EC2(\"worker5\")] >> RDS(\"events\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "![Grouped Workers](grouped_workers.png)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ]
+}
\ No newline at end of file
diff --git a/generator/grouped_workers.png b/generator/grouped_workers.png
new file mode 100644
index 0000000..1e40c59
Binary files /dev/null and b/generator/grouped_workers.png differ
diff --git a/generator/web_service.png b/generator/web_service.png
new file mode 100644
index 0000000..5a5a970
Binary files /dev/null and b/generator/web_service.png differ