Brackets and mounts
Fingerprint Terminal Enclosure (3-Part Exploded)
- Bounding box
- 227.5 × 146.7 × 35.0 mm
- Engine
- Precision B-rep
- Parameters
- 44
- Published
- October 12, 2026
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The prompt
Create a parametric 3D-printable enclosure for a LYRA TECH fingerprint attendance device. **Overall dimensions (millimeters):** * Width: 71.5 mm * Height: 146.7 mm * Depth: 70 mm * Wall thickness: 2.5 mm * Rounded rectangular smartphone-inspired body with a premium matte-black industrial design. **Components:** 1. R307S fingerprint sensor module: 44.1 × 20 × 23.5 mm. Create a front sensor opening based on the actual sensor's front-facing profile. Allow adjustable 1–2 mm fitting clearance; do not assume the full module dimensions are the front opening dimensions. 2. 0.96-inch OLED display, 128 × 64 pixels, with a configurable display window. 3. Three 3 mm LED indicator holes: green, blue and red. 4. Buzzer sound holes. 5. Internal mounting posts for an ESP32 DevKit board. Keep its board dimensions configurable. 6. USB power access opening aligned with the actual ESP32 USB connector. 7. Internal cable routing space and screw bosses. 8. Removable rear cover secured with screws. 9. Two wall-mount keyhole slots on the rear cover. 10. Separate front cover and back cover, suitable for FDM 3D printing. **CAD requirements:** * Use millimeters throughout. * Keep all major dimensions and component positions parametric and editable. * Generate a hollow enclosure with rounded corners, realistic openings and separate printable front and rear parts. * Avoid solid geometry blocking the sensor, OLED, LEDs, buzzer or USB port. * Export both parts as separate STL files, plus STEP if supported. * Show a dimensioned preview before export. Important: Treat this as a prototype. Ask for the actual component measurements and mounting-hole positions when missing. Do not claim the design is print-ready until clearances and fit have been verified.
Parameters
| Name | Value | Range |
|---|---|---|
| Body Width | 71.5 mm | 40 – 160 |
| Body Height | 146.7 mm | 60 – 260 |
| Cover Depth (each half) | 35 mm | 10 – 80 |
| Wall Thickness | 2.5 mm | 1.2 – 6 |
| Corner Radius | 8 mm | 0.5 – 25 |
| Exploded Layout Gap | 20 mm | 5 – 120 |
| R307S Sensor Width | 44.1 mm | 20 – 80 |
| R307S Sensor Height | 20 mm | 8 – 60 |
| Sensor Fit Clearance (per side) | 1.5 mm | 0 – 4 |
| Sensor Opening Y Position | 30 mm | -60 – 60 |
| OLED Window Width | 24 mm | 8 – 50 |
| OLED Window Height | 14 mm | 5 – 30 |
| OLED Window Y Position | -15 mm | -60 – 60 |
| LED Indicator Hole Dia | 3.2 mm | 1.5 – 8 |
| LED Hole Spacing | 12 mm | 4 – 40 |
| LED Row Y Position | -38 mm | -65 – 65 |
| Buzzer Hole Dia | 2 mm | 0.8 – 6 |
| Buzzer Hole Count | 5 pcs | 1 – 12 |
| Buzzer Hole Spacing | 5 mm | 2 – 20 |
| Buzzer Row Y Position | -58 mm | -68 – 68 |
| Screw Boss Dia | 7 mm | 4 – 14 |
| Screw Boss Height | 8 mm | 3 – 25 |
| Screw Boss Pilot Hole Dia | 2.6 mm | 1.2 – 6 |
| Screw Boss Wall Margin | 2 mm | 0.5 – 10 |
| ESP32 Board Width | 28 mm | 15 – 45 |
| ESP32 Board Height | 52 mm | 20 – 90 |
| ESP32 Post Dia | 6 mm | 3 – 12 |
| ESP32 Post Height | 6 mm | 2 – 20 |
| ESP32 Post Hole Dia | 2.5 mm | 1.2 – 5 |
| ESP32 Hole Offset From Board Edge | 2.5 mm | 1 – 8 |
| ESP32 Board Centre Y | -20 mm | -60 – 60 |
| USB Opening Width | 10 mm | 4 – 25 |
| USB Opening Height | 4.5 mm | 2 – 15 |
| USB Opening Z (from mating face) | 12 mm | 2 – 30 |
| Keyhole Screw Hole Dia | 8 mm | 3 – 16 |
| Keyhole Slot Width | 3.5 mm | 1.5 – 10 |
| Keyhole Slot Length | 12 mm | 3 – 40 |
| Keyhole Offset From Centre | 18 mm | 5 – 32 |
| Keyhole Circle Y Position | 40 mm | -60 – 60 |
| Screw Shank Dia (M3) | 3 mm | 1.5 – 6 |
| Screw Length | 8 mm | 3 – 25 |
| Pan Head Dia | 5.5 mm | 2 – 12 |
| Pan Head Height | 2 mm | 0.6 – 6 |
| Exploded Screw Grid Pitch | 12 mm | 8 – 40 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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