List results of a category on a page

The lists you create include all categories. But the plugin automatically will create a list for each separate category. Links to each category archive can be found in the left OTW Portfolio menu under categories.

OTWthemes

thank you very much for the reply and congratulations for the plugin, is excellent. I have it running but would like to list a single category in the product through the code.
For example a category “cases”, which would have to modify this code?

<ul class="otw-portfolio block-grid three-up mobile">
                  <?php if (is_page()) { $paged = (get_query_var('paged')) ? get_query_var('paged') : 1; query_posts('post_type=otw-portfolio&paged='.$paged); } ?>
                  <?php if (have_posts()): while (have_posts()) : the_post(); ?>
                      <li data-type="<?php foreach(get_the_terms($post->ID, 'otw-portfolio-category') as $term) echo $term->slug.' ' ?>" data-id="id-<?php echo($post->post_name) ?>">
                          <article id="post-<?php the_ID(); ?>" <?php post_class('otw-portfolio-item'); ?>>
                            	<a>" title="<?php the_title(); ?>" class="otw-portfolio-item-link">
                            		<div class="image">
                                		<?php if ( has_post_thumbnail()) { ?>
                                		    <?php the_post_thumbnail('otw-portfolio-medium'); ?>
                                		<?php } else { ?>
                                            <div style="background:url(<?php echo plugins_url( '/otw-portfolio-light/images/pattern-1.png' ) ?>);width:<?php echo get_option('otw_pfl_thumb_size_w', '303'); ?>px;height:<?php echo get_option('otw_pfl_thumb_size_h', '210'); ?>px" title="<?php _e( 'No Image', 'otw_pfl' ); ?>"></div>
                                        <?php } ?>
                            		</div>
                            		<div class="title">
                            			<h3><?php the_title(); ?></h3>
                            		</div>
                            		<div class="text entry-content">
                            			<?php the_excerpt(); ?>
                            		</div>
                            	<span class="shadow-overlay hide-for-small"></span></a>
                          </article>

                  <?php endwhile; ?>

<?php else: ?>

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thank you very much!