More than 10 items in portfolio_entries? (or edit avia_post_grid())

In populating content to my site, I noticed that the number of portfolio entries in the “category” view that shows up is 10, which looks really weird since it’s a grid that’s 3 columns wide) and I have one category with 11 items in it. I’d ideally like to show all of the items on one page, or at the very minimum change the default number of items that show up to 12 so that it fills in the rest of the grid. After poking around in the editor, however, I can’t seem to find where I would edit avia_post_grid() which seems to be the function that controls the number of entries that shows up.