diff --git a/__init__.py b/__init__.py
index 317c3a8..91e604e 100644
--- a/__init__.py
+++ b/__init__.py
@@ -9,6 +9,7 @@ import glob
 import json
 import os
 import shutil
+import re
 
 # from .server import server
 
@@ -69,9 +70,28 @@ os.makedirs(DIR_WEB)
 shutil.copytree(DIR_DEV_WEB, DIR_WEB, dirs_exist_ok=True)
 
 
+def extend_config(default_config, user_config):
+  cfg = {}
+  for key, value in default_config.items():
+    if key not in user_config:
+      cfg[key] = value
+    elif isinstance(value, dict):
+      cfg[key] = extend_config(value, user_config[key])
+    else:
+      cfg[key] = user_config[key] if key in user_config else value
+  return cfg
+
+
+DEFAULT_CONFIG_FILE = os.path.join(THIS_DIR, 'rgthree_config.json.default')
+with open(DEFAULT_CONFIG_FILE, 'r', encoding = 'UTF-8') as file:
+  config = re.sub(r"(?:^|\s)//.*", "", file.read(), flags=re.MULTILINE)
+  rgthree_config_default = json.loads(config)
+
 CONFIG_FILE = os.path.join(THIS_DIR, 'rgthree_config.json')
 with open(CONFIG_FILE, 'r', encoding = 'UTF-8') as file:
-  rgthree_config = json.load(file)
+  rgthree_config_user = json.load(file)
+
+rgthree_config = extend_config(rgthree_config_default, rgthree_config_user)
 
 with open(os.path.join(DIR_WEB, 'rgthree_config.js'), 'w', encoding = 'UTF-8') as file:
   file.write('export const rgthreeConfig = ' + json.dumps(rgthree_config))
diff --git a/rgthree_config.json.default b/rgthree_config.json.default
index e630f42..c2d7137 100644
--- a/rgthree_config.json.default
+++ b/rgthree_config.json.default
@@ -1,5 +1,13 @@
+// COPY THIS FILE BEFORE MAKING CHANGES TO: rgthree_config.json
 {
   "patch_recursive_execution": true,
-  "monitor_bad_links": false
+  "monitor_bad_links": false,
+  "nodes": {
+    "reroute": {
+      "default_width": 40,
+      "default_height": 30,
+      "default_resizable": false,
+      "default_layout": ["Left", "Right"]
+    }
+  }
 }
-
diff --git a/ts/reroute.ts b/ts/reroute.ts
index 6e2c156..2b8d6b4 100644
--- a/ts/reroute.ts
+++ b/ts/reroute.ts
@@ -1,6 +1,8 @@
 // / <reference path="../node_modules/litegraph.js/src/litegraph.d.ts" />
 // @ts-ignore
 import { app } from "../../scripts/app.js";
+// @ts-ignore
+import {rgthreeConfig} from "./rgthree_config.js";
 import { rgthree } from "./rgthree.js";
 import type {
   Vector2,
@@ -15,6 +17,8 @@ import type {
 } from "./typings/litegraph.js";
 import {
   LAYOUT_CLOCKWISE,
+  LAYOUT_LABEL_OPPOSITES,
+  LAYOUT_LABEL_TO_DATA,
   addConnectionLayoutSupport,
   addMenuItem,
   getSlotLinks,
@@ -25,6 +29,22 @@ declare const LiteGraph: typeof TLiteGraph;
 declare const LGraphNode: typeof TLGraphNode;
 declare const LGraphCanvas: typeof TLGraphCanvas;
 
+const rerouteConfig = rgthreeConfig?.['nodes']?.['reroute'] || {};
+let configWidth = Math.round((Number(rerouteConfig['default_width']) || 40) / 10) * 10;
+let configHeight = Math.round((Number(rerouteConfig['default_height']) || 30) / 10) * 10;
+const configDefaultSize = [configWidth, configHeight] as Vector2;
+const configResizable = !!rerouteConfig['default_resizable'];
+let configLayout: [string, string] = rerouteConfig['default_layout'];
+if (!Array.isArray(configLayout)) {
+  configLayout = ['Left', 'Right'];
+}
+if (!LAYOUT_LABEL_TO_DATA[configLayout[0]]) {
+  configLayout[0] = 'Left';
+}
+if (!LAYOUT_LABEL_TO_DATA[configLayout[1]] || configLayout[0] == configLayout[1]) {
+  configLayout[1] = LAYOUT_LABEL_OPPOSITES[configLayout[0]]!;
+}
+
 app.registerExtension({
   name: "rgthree.Reroute",
   registerCustomNodes() {
@@ -38,7 +58,7 @@ app.registerExtension({
       static readonly title_mode = LiteGraph.NO_TITLE;
       static collapsable = false;
       static layout_slot_offset = 5;
-      static size: Vector2 = [40, 30]; // Starting size, read from within litegraph.core
+      static size: Vector2 = configDefaultSize; // Starting size, read from within litegraph.core
 
       readonly isVirtualNode?: boolean;
       readonly hideSlotLabels: boolean;
@@ -46,11 +66,13 @@ app.registerExtension({
       private configuring = true;
       private schedulePromise: Promise<void> | null = null;
 
+      defaultConnectionsLayout = configLayout;
+
       constructor(title = RerouteNode.title) {
         super(title);
         this.isVirtualNode = true;
         this.hideSlotLabels = true;
-        this.setResizable(this.properties['resizable']);
+        this.setResizable(this.properties['resizable'] ?? configResizable);
         this.size = RerouteNode.size; // Starting size.
         this.addInput("", "*");
         this.addOutput("", "*");
@@ -60,7 +82,7 @@ app.registerExtension({
       override configure(info: SerializedLGraphNode) {
         this.configuring = true;
         super.configure(info);
-        this.setResizable(this.properties['resizable']);
+        this.setResizable(this.properties['resizable'] ?? configResizable);
         this.applyNodeSize();
         this.configuring = false;
       }
@@ -407,7 +429,7 @@ app.registerExtension({
         const h = node.size[1];
         node.properties["connections_layout"] = node.properties[
           "connections_layout"
-        ] || ["Left", "Right"];
+        ] || this.defaultConnectionsLayout;
         const inputDirIndex = LAYOUT_CLOCKWISE.indexOf(
           node.properties["connections_layout"][0],
         );
diff --git a/ts/utils.ts b/ts/utils.ts
index 910f2f7..c37ab81 100644
--- a/ts/utils.ts
+++ b/ts/utils.ts
@@ -51,7 +51,7 @@ export const LAYOUT_LABEL_TO_DATA: { [label: string]: [LiteGraphDir, Vector2, Ve
   Top: [LiteGraph.UP, [0.5, 0], [0, PADDING]],
   Bottom: [LiteGraph.DOWN, [0.5, 1], [0, -PADDING]],
 };
-const OPPOSITE_LABEL: { [label: string]: string } = {
+export const LAYOUT_LABEL_OPPOSITES: { [label: string]: string } = {
   Left: "Right",
   Right: "Left",
   Top: "Bottom",
@@ -157,7 +157,7 @@ export function addConnectionLayoutSupport(
     prepareValue: (value, node) => {
       const values = value.split(" -> ");
       if (!values[1] && !node.outputs?.length) {
-        values[1] = OPPOSITE_LABEL[values[0]!]!;
+        values[1] = LAYOUT_LABEL_OPPOSITES[values[0]!]!;
       }
       if (!LAYOUT_LABEL_TO_DATA[values[0]!] || !LAYOUT_LABEL_TO_DATA[values[1]!]) {
         throw new Error(`New Layout invalid: [${values[0]}, ${values[1]}]`);
@@ -180,12 +180,13 @@ export function addConnectionLayoutSupport(
 
 export function setConnectionsLayout(
   node: TLGraphNode,
-  newLayout: [string, string] = ["Left", "Right"],
+  newLayout: [string, string],
 ) {
+  newLayout = newLayout || (node as any).defaultConnectionsLayout || ["Left", "Right"];
   // If we didn't supply an output layout, and there's no outputs, then just choose the opposite of the
   // input as a safety.
   if (!newLayout[1] && !node.outputs?.length) {
-    newLayout[1] = OPPOSITE_LABEL[newLayout[0]!]!;
+    newLayout[1] = LAYOUT_LABEL_OPPOSITES[newLayout[0]!]!;
   }
   if (!LAYOUT_LABEL_TO_DATA[newLayout[0]] || !LAYOUT_LABEL_TO_DATA[newLayout[1]]) {
     throw new Error(`New Layout invalid: [${newLayout[0]}, ${newLayout[1]}]`);
@@ -213,7 +214,7 @@ export function getConnectionPosForLayout(
 ) {
   out = out || new Float32Array(2);
   node.properties = node.properties || {};
-  const layout = node.properties["connections_layout"] || ["Left", "Right"];
+  const layout = node.properties["connections_layout"] || (node as any).defaultConnectionsLayout || ["Left", "Right"];
   const collapseConnections = node.properties["collapse_connections"] || false;
   const offset = (node.constructor as any).layout_slot_offset ?? LiteGraph.NODE_SLOT_HEIGHT * 0.5;
   let side = isInput ? layout[0] : layout[1];
diff --git a/web/reroute.js b/web/reroute.js
index 859f8bd..4a7a71c 100644
--- a/web/reroute.js
+++ b/web/reroute.js
@@ -1,26 +1,46 @@
+var _a;
 import { app } from "../../scripts/app.js";
+import { rgthreeConfig } from "./rgthree_config.js";
 import { rgthree } from "./rgthree.js";
-import { LAYOUT_CLOCKWISE, addConnectionLayoutSupport, addMenuItem, getSlotLinks, wait, } from "./utils.js";
+import { LAYOUT_CLOCKWISE, LAYOUT_LABEL_OPPOSITES, LAYOUT_LABEL_TO_DATA, addConnectionLayoutSupport, addMenuItem, getSlotLinks, wait, } from "./utils.js";
+const rerouteConfig = ((_a = rgthreeConfig === null || rgthreeConfig === void 0 ? void 0 : rgthreeConfig['nodes']) === null || _a === void 0 ? void 0 : _a['reroute']) || {};
+let configWidth = Math.round((Number(rerouteConfig['default_width']) || 40) / 10) * 10;
+let configHeight = Math.round((Number(rerouteConfig['default_height']) || 30) / 10) * 10;
+const configDefaultSize = [configWidth, configHeight];
+const configResizable = !!rerouteConfig['default_resizable'];
+let configLayout = rerouteConfig['default_layout'];
+if (!Array.isArray(configLayout)) {
+    configLayout = ['Left', 'Right'];
+}
+if (!LAYOUT_LABEL_TO_DATA[configLayout[0]]) {
+    configLayout[0] = 'Left';
+}
+if (!LAYOUT_LABEL_TO_DATA[configLayout[1]] || configLayout[0] == configLayout[1]) {
+    configLayout[1] = LAYOUT_LABEL_OPPOSITES[configLayout[0]];
+}
 app.registerExtension({
     name: "rgthree.Reroute",
     registerCustomNodes() {
         class RerouteNode extends LGraphNode {
             constructor(title = RerouteNode.title) {
+                var _a;
                 super(title);
                 this.configuring = true;
                 this.schedulePromise = null;
+                this.defaultConnectionsLayout = configLayout;
                 this.isVirtualNode = true;
                 this.hideSlotLabels = true;
-                this.setResizable(this.properties['resizable']);
+                this.setResizable((_a = this.properties['resizable']) !== null && _a !== void 0 ? _a : configResizable);
                 this.size = RerouteNode.size;
                 this.addInput("", "*");
                 this.addOutput("", "*");
                 setTimeout(() => this.applyNodeSize(), 20);
             }
             configure(info) {
+                var _a;
                 this.configuring = true;
                 super.configure(info);
-                this.setResizable(this.properties['resizable']);
+                this.setResizable((_a = this.properties['resizable']) !== null && _a !== void 0 ? _a : configResizable);
                 this.applyNodeSize();
                 this.configuring = false;
             }
@@ -234,7 +254,7 @@ app.registerExtension({
         RerouteNode.title_mode = LiteGraph.NO_TITLE;
         RerouteNode.collapsable = false;
         RerouteNode.layout_slot_offset = 5;
-        RerouteNode.size = [40, 30];
+        RerouteNode.size = configDefaultSize;
         addMenuItem(RerouteNode, app, {
             name: (node) => { var _a; return `${((_a = node.properties) === null || _a === void 0 ? void 0 : _a['showLabel']) ? "Hide" : "Show"} Label/Title`; },
             property: 'showLabel',
@@ -312,7 +332,7 @@ app.registerExtension({
             callback: (node, value) => {
                 const w = node.size[0];
                 const h = node.size[1];
-                node.properties["connections_layout"] = node.properties["connections_layout"] || ["Left", "Right"];
+                node.properties["connections_layout"] = node.properties["connections_layout"] || this.defaultConnectionsLayout;
                 const inputDirIndex = LAYOUT_CLOCKWISE.indexOf(node.properties["connections_layout"][0]);
                 const outputDirIndex = LAYOUT_CLOCKWISE.indexOf(node.properties["connections_layout"][1]);
                 if (value === null || value === void 0 ? void 0 : value.startsWith("Rotate 90°")) {
diff --git a/web/utils.js b/web/utils.js
index c5a1dfc..f379403 100644
--- a/web/utils.js
+++ b/web/utils.js
@@ -18,7 +18,7 @@ export const LAYOUT_LABEL_TO_DATA = {
     Top: [LiteGraph.UP, [0.5, 0], [0, PADDING]],
     Bottom: [LiteGraph.DOWN, [0.5, 1], [0, -PADDING]],
 };
-const OPPOSITE_LABEL = {
+export const LAYOUT_LABEL_OPPOSITES = {
     Left: "Right",
     Right: "Left",
     Top: "Bottom",
@@ -89,7 +89,7 @@ export function addConnectionLayoutSupport(node, app, options = [
             var _a;
             const values = value.split(" -> ");
             if (!values[1] && !((_a = node.outputs) === null || _a === void 0 ? void 0 : _a.length)) {
-                values[1] = OPPOSITE_LABEL[values[0]];
+                values[1] = LAYOUT_LABEL_OPPOSITES[values[0]];
             }
             if (!LAYOUT_LABEL_TO_DATA[values[0]] || !LAYOUT_LABEL_TO_DATA[values[1]]) {
                 throw new Error(`New Layout invalid: [${values[0]}, ${values[1]}]`);
@@ -105,10 +105,11 @@ export function addConnectionLayoutSupport(node, app, options = [
         return getConnectionPosForLayout(this, isInput, slotNumber, out);
     };
 }
-export function setConnectionsLayout(node, newLayout = ["Left", "Right"]) {
+export function setConnectionsLayout(node, newLayout) {
     var _a;
+    newLayout = newLayout || node.defaultConnectionsLayout || ["Left", "Right"];
     if (!newLayout[1] && !((_a = node.outputs) === null || _a === void 0 ? void 0 : _a.length)) {
-        newLayout[1] = OPPOSITE_LABEL[newLayout[0]];
+        newLayout[1] = LAYOUT_LABEL_OPPOSITES[newLayout[0]];
     }
     if (!LAYOUT_LABEL_TO_DATA[newLayout[0]] || !LAYOUT_LABEL_TO_DATA[newLayout[1]]) {
         throw new Error(`New Layout invalid: [${newLayout[0]}, ${newLayout[1]}]`);
@@ -126,7 +127,7 @@ export function getConnectionPosForLayout(node, isInput, slotNumber, out) {
     var _a, _b, _c;
     out = out || new Float32Array(2);
     node.properties = node.properties || {};
-    const layout = node.properties["connections_layout"] || ["Left", "Right"];
+    const layout = node.properties["connections_layout"] || node.defaultConnectionsLayout || ["Left", "Right"];
     const collapseConnections = node.properties["collapse_connections"] || false;
     const offset = (_a = node.constructor.layout_slot_offset) !== null && _a !== void 0 ? _a : LiteGraph.NODE_SLOT_HEIGHT * 0.5;
     let side = isInput ? layout[0] : layout[1];