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diff --git a/src/utils/adopter.js b/src/utils/adopter.js
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+++ b/src/utils/adopter.js
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+import { capitalize } from './utils.js'
+import { ns } from '../modules/core/namespaces.js'
+import Base from '../types/Base.js'
+
+const elements = {}
+export const root = Symbol('root')
+
+// Method for element creation
+export function makeNode (name) {
+  // create element
+  return document.createElementNS(ns, name)
+}
+
+export function makeInstance (element) {
+  if (element instanceof Base) return element
+
+  if (typeof element === 'object') {
+    return adopt(element)
+  }
+
+  if (element == null) {
+    return new elements[root]()
+  }
+
+  if (typeof element === 'string' && element.charAt(0) !== '<') {
+    return adopt(document.querySelector(element))
+  }
+
+  var node = makeNode('svg')
+  node.innerHTML = element
+
+  // We can use firstChild here because we know,
+  // that the first char is < and thus an element
+  element = adopt(node.firstChild)
+
+  return element
+}
+
+export function nodeOrNew (name, node) {
+  return node || makeNode(name)
+}
+
+// Adopt existing svg elements
+export function adopt (node) {
+  // check for presence of node
+  if (!node) return null
+
+  // make sure a node isn't already adopted
+  if (node.instance instanceof Base) return node.instance
+
+  if (!(node instanceof window.SVGElement)) {
+    return new elements.HtmlNode(node)
+  }
+
+  // initialize variables
+  var element
+
+  // adopt with element-specific settings
+  if (node.nodeName === 'svg') {
+    element = new elements[root](node)
+  } else if (node.nodeName === 'linearGradient' || node.nodeName === 'radialGradient') {
+    element = new elements.Gradient(node)
+  } else if (elements[capitalize(node.nodeName)]) {
+    element = new elements[capitalize(node.nodeName)](node)
+  } else {
+    element = new elements.Bare(node)
+  }
+
+  return element
+}
+
+export function register (element, name = element.name, asRoot = false) {
+  elements[name] = element
+  if (asRoot) elements[root] = element
+  return element
+}
+
+export function getClass (name) {
+  return elements[name]
+}
+
+// Element id sequence
+let did = 1000
+
+// Get next named element id
+export function eid (name) {
+  return 'Svgjs' + capitalize(name) + (did++)
+}
+
+// Deep new id assignment
+export function assignNewId (node) {
+  // do the same for SVG child nodes as well
+  for (var i = node.children.length - 1; i >= 0; i--) {
+    assignNewId(node.children[i])
+  }
+
+  if (node.id) {
+    return adopt(node).id(eid(node.nodeName))
+  }
+
+  return adopt(node)
+}
+
+// Method for extending objects
+export function extend (modules, methods) {
+  var key, i
+
+  modules = Array.isArray(modules) ? modules : [modules]
+
+  for (i = modules.length - 1; i >= 0; i--) {
+    for (key in methods) {
+      modules[i].prototype[key] = methods[key]
+    }
+  }
+}