The Longer Studio App provides flexible design and editing tools for ePrint printers. With the built-in design functions, users can easily create personalized printing content by adding text, images, QR codes, barcodes, and other elements.
In the create interface, you can import different types of elements and customize their appearance directly on the canvas. The app also provides various editing tools, allowing you to adjust element size, position, rotation, and other settings before starting your printing project.
This guide introduces the main element adding and editing functions in the Longer Studio App to help you create designs more efficiently.

1. Text
In the creation interface, you can add text elements and customize them with various editing options, including:
- Font
- Font size
- Color
- Bold
- Italic
- Alignment
Advanced adjustments such as character spacing, line spacing, and rotation angle are also supported.
Double-tap the text element to edit its content. You can drag, resize, and rotate elements freely. The app also supports advanced editing functions such as layer management and alignment and distribution.

2. Preset Materials
You can select preset image elements from the elements library to quickly enrich your designs.
The elements library supports category browsing and keyword search, making it easier to find the materials you need.
Elements can be dragged directly from the elements library onto the canvas for use You can also double-tap an element to adjust settings such as:
- Size
- Position
- Filters
- Cropping
- AI tools (AI Background Removal / AI Enhancement)
- Transformation

3. QR Code
Generate QR codes based on the input content and adjust their:
- Size
- Position
- Rotation angle

4. Barcode
Generate barcodes based on the input content and adjust their:
- Size
- Position
- Rotation angle

5. Photo Gallery
Import images from your phone’s photo gallery and add them directly to the canvas for editing. You can adjust:
- Size
- Position
- Rotation angle
- Cropping
- Filter effects
These tools help integrate photos seamlessly into your designs.
6. Camera
Use your phone camera to capture photos and import them into the app. After importing, you can edit the image by adjusting:
- Size
- Position
- Rotation angle
- Cropping
- Filter effects
These features help you combine captured images with your designs more easily.
7. Undo
Tap the undo button to cancel the previous operation. This function allows you to quickly return to the previous design state when making changes.
8. Redo
Tap the redo button to restore the design to the state before the last undone operation. This function helps you easily switch between different editing steps while creating your design.
9. Copy
The copy function allows you to duplicate the currently selected element. After copying an element, you can paste it onto the canvas and reuse the existing design content, making repeated design elements easier to create.
10. Delete
The delete function removes the currently selected element from the canvas. This allows you to quickly clean up unwanted elements and adjust your design layout.
11. Flip Horizontal
The flip horizontal function mirrors the currently selected element along the horizontal direction. This allows you to change the orientation of an element while keeping the same size and design details.
12. Flip Vertical
The flip vertical function mirrors the currently selected element along the vertical direction. This provides additional flexibility when adjusting the position and appearance of design elements.

Conclusion
The Longer Studio App provides a complete set of design and editing tools for ePrint printers. From adding text and preset elements to adjusting images, QR codes, and barcodes, users can easily create personalized designs directly in the app.
With functions such as copy, delete, and element transformation tools, the app makes the design process more flexible and efficient. After completing your design, you can continue with your printing workflow and create customized products with the ePrint printer.
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