Love Letter Photo Keychain
Print Profile(1)

Description
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Original 3D-printable designs made with functionality, clean design, and reliable printability in mind. Happy printing!
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Cute Photo Frame Keychain 💌
A compact and creative Cute Photo Frame Keychain featuring a hidden sliding photo mechanism inside an envelope-inspired design. Carry your favorite memory everywhere with a keychain that looks simple on the outside but reveals a personal photo inside.
📸 Sliding Photo Frame Mechanism
The keychain includes a built-in sliding frame system:
- Slide the inner frame out to reveal the photo
- Compact envelope-style exterior
- Smooth and satisfying sliding action
- Secure locking system on both ends
The mechanism is intentionally tight at first to help keep the frame securely in place.
🔒 Locking Mechanism Details
- The top locking section may feel difficult to press during the first few uses
- Once inserted, the frame can slide freely
- A second locking point at the bottom keeps the frame secure during everyday use
⚠️ After approximately 5–10 initial slides, the mechanism naturally becomes smoother and easier to operate while still remaining secure.
🖼️ Photo Size
Designed for photos sized:
- 75 × 42 mm
Trim the photo accurately for the best fit and sliding performance.
❤️ Assembly Note
A separate heart-shaped piece is included as part of the design.
- The heart piece must be glued manually into the center section after printing.
🖨️ Print Settings
- Supports: ❌ No support required
- Walls: 2 walls
- Infill: 10%
- Layer Height: 0.2 mm recommended
Important Printing Instruction
- Print the "Photo_Letter_Body" part in an upright position
- Use a brim for better bed adhesion and print stability for "Photo_Letter_Body"
This helps achieve smoother sliding performance and cleaner tolerances.
✨ Features
- Functional sliding photo frame
- Cute envelope-inspired design
- Portable keepsake keychain
- Secure locking mechanism
- Lightweight and easy to print
⚠️ Important Notes
- Slight sanding may improve initial sliding smoothness if needed
- Avoid forcing the mechanism aggressively during first use
Print accuracy may affect sliding tolerance depending on printer calibration
Print it in this orientation. No support needed.

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