Demo of product listing page which is full width and with 3 column. In this page headline section and cart icon is disabled, also no cover image is used, the welcome image has been put in content area instead. Settings done from page editor as easy as point and click.
Check out below products in 3 columns. These were created using one line of woocommerce shortcode.
[product_category category=”celebration-cakes” columns=”3″]