Here's a portrait notebook mockup in high quality resolution, made for A4 size. Adjust any of the layers - like the lighting - to suit your preference, and if you feel like it you can put a colour fill on the background to change the colour.
This mockup is free for personal and commercial use. But you're not permitted to sell or redistribute the file so just link them to my website yeah?
5000 x 4000 px - 300 dpi
- Download and Unzip file
- Open with Photoshop
- Double click on 'Cover Design' Layer
- Paste your own work (making sure all edges are covered)
- Save - the mockup will automatically update!