About this 3D model

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 "PhotoLetterBody" part in an upright position Use a brim for better bed adhesion and print stability for "PhotoLetterBody" 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