@lrn/generator-polymer-init-lrn-element

Installation

npm install -g yo
npm install -g bower
npm install -g polymer-cli
npm install -g @lrn/generator-polymer-init-lrn-element

Make the folder for your element

mkdir my-element
cd my-element

Create the element with polymer init and choose the LRN option

yo @lrn/generator-polymer-init-lrn-element
  - LRN component
    - element

Now just run Polymer serve!

polymer serve