Free Procreate storyboard template on DIN A4 horizontal (landscape) page for story artists, animators, film directors, illustrators, and designers. This template has an unusual 9:16 (1: 1.77) aspect ratio, with ten frames per sheet. The original storyboard design mimics a phone screen in scroll mode to present a web miniseries.
There are layers for editing text and a rule of thirds layer to help you reframe your shots.
You can get the PDF version of this template here: https://storyboards.gumroad.com/l/freePDF9x16.
There is also a desktop publishing version of this template for InDesign, with much more variations and choices available here: https://storyboards.gumroad.com/l/9x16NDsgn.