Snapping guides in the template editor
Blue lines snap to the center of the page, red to other placeholder edges, yellow to equal spacing between photos. The toolbar shows what's snapping and why as it happens.
Starts at 34:07 in the full tutorialWatch on YouTube
More in Templates & template editor
See all 16Change the template on a spread or page26:52Preview a template before applying it27:42Favorite the templates you use most28:06Filter the templates panel28:20Use a template with more or fewer photos28:26Warning when a template has fewer slots29:09Open and close the template editor (E)33:04Copy and paste a placeholder in the template editor34:00Turn a snapping type off35:03Resize an image placeholder in the template editor36:09Set an exact aspect ratio on an image placeholder in the template editor36:51Save a custom template37:50Custom templates in other projects39:13Get back to the built-in templates40:01Hide the on-canvas template arrows59:29