Custom Post Type Pagination Snippet

functions.php

<?php
/**
*
* @author Calvin Koepke
* @link http://www.calvinkoepke.com/add-pagination-to-custom-post-types-in-genesis/
*
* Add previous and next buttons to custom post types.
*/
add_action('genesis_before_content', 'ck_custom_navigation_links', 5 )
function ck_custom_navigation_links() {

	// Check to see if the post is a custom post type, and if it is on the post view.
	// If so, execute the function.
	
	// Replace 'work' with your custom post type slug.
	if( is_singular ( 'work' ) ) {

		// Set variables for ease of use.
		$older_post = get_previous_post();
		$newer_post = get_next_post();

		// If the $older_post returns a value, display the markup. 
		if ( ! empty($older_post) ): ?>
			<a class="pagination-older" href="<?php echo get_permalink( $older_post->ID ); ?>">Previous Project &rarr;</a>
		<?php endif;

		// If the $newer_post returns a value, display the markup.
		if ( ! empty($newer_post) ): ?>
			<a class="pagination-newer" href="<?php echo get_permalink( $newer_post->ID ); ?>">&larr; Newer Project</a>
		<?php endif;
	}
}

style.css

/* Custom Post Type Pagination
--------------------------------------------- */

.pagination-older {
	float: right;
	margin-bottom: 10px;
}

.pagination-newer {
	float: left;
	margin-bottom: 10px;
}