New Twiddle

components.grid-data-column.js

import Ember from 'ember';

const {
	Component
} = Ember;

export default Component.extend({
  tagName: 'grid-data-column',
  classNames: ['grid-data-column']
});

components.grid-data-row.js

import Ember from 'ember';

const {
	Component
} = Ember;

export default Component.extend({
  tagName: 'grid-data-row',
  classNames: ['grid-data-row']
});

components.grid-data-table.js

import Ember from 'ember';

const {
	Component
} = Ember;

export default Component.extend({
  tagName: 'grid-data-table',
  classNames: ['grid-data-table']
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  firstName: 'James',
  lastName: 'Menera',
  rows: [
    {
    	greeting: 'hey',
      animal: 'jugface'
    },
    {
    	greeting: 'yo',
      animal: 'puppy'
    },
    {
    	greeting: 'sup',
      animal: 'chicken'
    },
    {
    	greeting: 'ahola',
      animal: 'monkey'
    },
    {
    	greeting: 'hola',
      animal: 'donkey'
    },
    {
    	greeting: 'ciao',
      animal: 'bumble bee'
    }
  ]
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.grid-data-table {
  display: block;
	color: red;
  border: 1px solid red;
}

.grid-data-row {
  display: block;
	color: green;
  border: 1px solid blue;
}

.grid-data-column {
  display: block;
	color: green;
    border: 1px solid green;
}

templates.application.hbs

<h1>My Grid</h1>
<br>
<br>
{{outlet}}

{{lastName}}

{{#grid-data-table
  columns=16
  rows=rows
  firstName=firstName
  lastName=lastName
  animal=animal
  as |grid|
}}
  {{#each grid.rows as |row|}}
    {{#grid-data-row}}    
      {{ row.greeting }}, {{grid.firstName}} {{row.animal}} 	{{grid.lastName}}!
    {{/grid-data-row}}
  {{/each}}
{{/grid-data-table}}

<br>
<br>

templates.components.grid-data-column.hbs

{{yield}}

templates.components.grid-data-row.hbs

{{yield }}

templates.components.grid-data-table.hbs

{{yield (hash
		rows=rows
    firstName=firstName
    lastName=lastName
  )
}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}