Enclosures and housings
Front Enclosure Assembly with Internal Components
- Bounding box
- 140.0 × 75.0 × 25.0 mm
- Engine
- Precision B-rep
- Parameters
- 48
- Published
- November 2, 2026
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The prompt
High-End Components Bill (The "Must-Order" List) To keep your failure rates near zero, these are the exact specialized parts you cannot print and must buy from verified electronics and mechanical suppliers. * **Processor:** **ESP32-S3 (with Dual-Core & Vector AI Instructions).** This chip is cheap ($3–$5) but powerful enough to run local machine learning for custom gestures and manage the camera stream. * **Optics:** **8x8 Pixel Time-of-Flight (ToF) Matrix Sensor (e.g., STMicroelectronics VL53L8).** This handles the 3D hand tracking. * **Camera:** **OV2640 2MP Mini Camera Module + 850nm IR LED Ring** (for night vision through tinted glass). * **Pneumatics:** **Piezoelectric Micro-Pump (e.g., Murata 15V Micro-blower).** Quiet, solid-state, blasts the targeted air pulses. * **Power:** **Two 3.2V LiFePO4 Batteries + Two 3V 100F (Farad) Supercapacitors.** The supercapacitors store solar energy and dump massive instant current to throw the lock. * **Exterior Vanguard:** **Die-Cast Zinc Alloy Front Enclosure** (Mass-ordered from an overseas foundry to save on metal machining costs). ## 3. Programming Logic & UI Overlay Flow The code on your ESP32-S3 must run two simultaneous loops: **Optical/Haptic Control** and **Security Threat Management**. ### Hand Tracking & Air-Jet Pulse Loop 1. **Standby Mode:** The ToF sensor sleeps in low-power mode until it detects a hand within 6 inches of the glass. 2. **Gesture Validation:** The camera feeds spatial coordinates to a local **Convolutional Neural Network (CNN)**. If the gesture matches the user's recorded variance layout (>95\% match), access is granted. 3. **The Virtual Turn:** As the wrist rotates, the code calculates the change in angle (\theta). For every 10^\circ of rotation, a GPIO_HIGH signal is fired to the Piezo Micro-pump for exactly 50 milliseconds. This creates the crisp "pfft" air-click feedback against the user's finger. ### Threat Intercept & UI Animation Loop If the lock frame's accelerometer registers high-frequency vibration (a break-in attempt): ``` [ Alarm Tripped ] ──> Sends push notification ──> Displays Live Video Overlay on User Phone │ [ Circuit Reconnected ] <── User enters PIN / Disarms <────┴─── [ 30-Second Countdown Screen ] │ │ ▼ ▼ (Timer Hits 0) [ Standdown State ] [ Automated E911 API Ping ] │ ▼ [ Police Dispatched with ] [ Verified Street Address ]
Parameters
| Name | Value | Range |
|---|---|---|
| Enclosure Width | 140 mm | 100 – 200 |
| Enclosure Height | 75 mm | 50 – 150 |
| Enclosure Depth | 25 mm | 15 – 40 |
| Wall Thickness | 2 mm | 1 – 5 |
| Window Width | 60 mm | 30 – 120 |
| Window Height | 30 mm | 15 – 60 |
| Window Y Center | 15 mm | 0 – 30 |
| Enclosure Edge Fillet | 1.5 mm | 0 – 5 |
| PCB Width (X) | 45 mm | 30 – 60 |
| PCB Length (Y) | 30 mm | 20 – 50 |
| PCB Thickness (Z) | 5 mm | 3 – 10 |
| PCB X Position | 0 mm | -30 – 30 |
| PCB Y Position | 0 mm | -30 – 30 |
| PCB Z Position | -10.5 mm | -20 – 0 |
| ToF Width (X) | 15 mm | 10 – 20 |
| ToF Length (Y) | 15 mm | 10 – 20 |
| ToF Thickness (Z) | 3 mm | 2 – 6 |
| ToF X Position | -20 mm | -50 – 0 |
| ToF Y Position | 15 mm | 0 – 35 |
| ToF Z Position | -3.5 mm | -10 – 0 |
| Camera Width (X) | 20 mm | 15 – 30 |
| Camera Length (Y) | 20 mm | 15 – 30 |
| Camera Thickness (Z) | 12 mm | 5 – 20 |
| Camera X Position | 20 mm | 0 – 50 |
| Camera Y Position | 15 mm | 0 – 35 |
| Camera Z Position | -8 mm | -20 – 0 |
| Blower Width (X) | 35 mm | 20 – 50 |
| Blower Depth (Y) | 25 mm | 15 – 40 |
| Blower Height (Z) | 10 mm | 5 – 15 |
| Blower X Position | 0 mm | -40 – 40 |
| Blower Y Position | -23 mm | -35 – 0 |
| Blower Z Position | -18 mm | -25 – 0 |
| Battery Diameter | 14 mm | 10 – 20 |
| Battery Length | 50 mm | 40 – 60 |
| Battery1 X Position | -25 mm | -65 – 0 |
| Battery1 Y Position | -10 mm | -30 – 0 |
| Battery1 Z Position | -15 mm | -25 – 0 |
| Battery2 X Position | 25 mm | 0 – 65 |
| Battery2 Y Position | -10 mm | -30 – 0 |
| Battery2 Z Position | -15 mm | -25 – 0 |
| Supercap Diameter | 10 mm | 6 – 15 |
| Supercap Length | 30 mm | 20 – 40 |
| Supercap1 X Position | -25 mm | -65 – 0 |
| Supercap1 Y Position | -30 mm | -35 – 0 |
| Supercap1 Z Position | -15 mm | -25 – 0 |
| Supercap2 X Position | 25 mm | 0 – 65 |
| Supercap2 Y Position | -30 mm | -35 – 0 |
| Supercap2 Z Position | -15 mm | -25 – 0 |
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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