This tutorial provides the steps to design the Post page Blog archive layout in 3 columns in Genesis.
Prerequisite:
1. Template name: We will create home.php to target the post page and will use the column classes or we will simply use custom CSS by targetting the class .entry for post list.
You can follow Customize Deal custom post types Archive Page in Genesis and will just need to make some minor changes including changing file name to home.php and CSS class and name.