In the layers section there are 2 layers highlighted red. These are for adding your business card designs.
Business card design size: 3.5in x 2in
To add your design:
1. Simply double click the thumbnail of the ‘Add Design Here’ layer
2. A new tab in Photoshop will open.
3. Go File > Place Linked and select your design.
4. Scale the design to fit (if needed).
5. Go File > Save. Close tab.
Add designs to the smart layer highlighted in red