example.html

<div class="wrap">
	
	<div id="icon-options-general" class="icon32"></div>
	<h2>My Awesome Plugin</h2>
	
	<div class="metabox-holder has-right-sidebar">
		
		<div class="inner-sidebar">

			<div class="postbox">
				<h3><span>Metabox 1</span></h3>
				<div class="inside">
					<p>Hi, I'm metabox 1!</p>
				</div>
			</div>

			<div class="postbox">
				<h3><span>Metabox 2</span></h3>
				<div class="inside">
					<p>Hi, I'm metabox 2!</p>
				</div>
			</div>

			<!-- ... more boxes ... -->

		</div> <!-- .inner-sidebar -->

		<div id="post-body">
			<div id="post-body-content">

				<div class="postbox">
					<h3><span>Metabox 3</span></h3>
					<div class="inside">
						<p>Hi, I'm metabox 3!</p>
					</div> <!-- .inside -->
				</div>

				<div class="postbox">
					<h3><span>Metabox 4</span></h3>
					<div class="inside">
						<p>Hi, I'm metabox 4!</p>
					</div> <!-- .inside -->
				</div>

			</div> <!-- #post-body-content -->
		</div> <!-- #post-body -->

	</div> <!-- .metabox-holder -->
	
</div> <!-- .wrap -->

main_column.html

<div id="post-body">
	<div id="post-body-content">
		
		<div class="postbox">
			<h3><span>Metabox 3</span></h3>
			<div class="inside">
				<p>Hi, I'm metabox 3!</p>
			</div> <!-- .inside -->
		</div>
		
		<div class="postbox">
			<h3><span>Metabox 4</span></h3>
			<div class="inside">
				<p>Hi, I'm metabox 4!</p>
			</div> <!-- .inside -->
		</div>
		
	</div> <!-- #post-body-content -->
</div> <!-- #post-body -->

sidebar.html

<div class="inner-sidebar">
	
	<div class="postbox">
		<h3><span>Metabox 1</span></h3>
		<div class="inside">
			<p>Hi, I'm metabox 1!</p>
		</div>
	</div>
	
	<div class="postbox">
		<h3><span>Metabox 2</span></h3>
		<div class="inside">
			<p>Hi, I'm metabox 2!</p>
		</div>
	</div>
	
	<!-- ... more boxes ... -->
	
</div> <!-- .inner-sidebar -->

wrapper.html

<div class="wrap">
	
	<div id="icon-options-general" class="icon32"></div>
	<h2>My Awesome Plugin</h2>
	
	<div class="metabox-holder has-right-sidebar">
		<!-- ... sidebar ... -->
		<!-- ... main content ... -->
	</div> <!-- .metabox-holder -->
	
</div> <!-- .wrap -->