The “photo template” is a digital frame where the photo will be inserted before being printed or saved.
A custom photo template can be designed with the following requirements:
File Format: PNG
Color Mode: RGB
Dimensions: 1200 px wide X 1800 px tall (see below for additional size options)
A transparent section inside the template is where the photo will be inserted. Each transparent photo section should have an overall aspect ratio (tall:wide) of 1:1 (square) up to 4:3 (ref. example here).
The sample to the right contains a single photo space 1000 pixels wide x 1333 pixels tall.