Brackets and mounts
2.5-inch HDD Cooling Enclosure
- Bounding box
- 117.7 × 83.1 × 21.8 mm
- Engine
- Precision B-rep
- Parameters
- 17
- Published
- November 12, 2026
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The prompt
Design a custom 3D-printable outer cooling enclosure/sleeve for a 2.5-inch external mechanical hard drive. The internal cavity dimensions must exactly fit a drive measuring 114.8 mm length x 78.0 mm width x 11.7 mm depth, with proper manufacturing tolerances so the drive slips in snugly. Key structural and functional requirements: 1. Airflow Tunnel: Create an integrated internal air channel (wind tunnel) running directly across the top brushed aluminum face of the hard drive to maximize convective cooling. 2. Fan Mount: Include an integrated mounting flange on the top surface with 4 screw holes spaced specifically for a standard 60mm axial cooling fan in a push-or-pull duct configuration. 3. Cable Port Cutout: Leave one end entirely open or feature a precise cut-out matching the drive's USB-to-SATA port end so the interface cable can be plugged in and used while the drive is inside the enclosure. 4. Wall Thickness & Clearance: Keep overall wall thickness around 2.0 mm to 2.5 mm for structural rigidity using PETG/ABS, ensuring smooth internal ducting without blocking the fan airflow.
Parameters
| Name | Value | Range |
|---|---|---|
| Drive Length | 114.8 mm | 100 – 130 |
| Drive Width | 78 mm | 68 – 90 |
| Drive Depth | 11.7 mm | 7 – 15 |
| Length Clearance | 0.6 mm | 0.2 – 1.5 |
| Width Clearance | 0.6 mm | 0.2 – 1.5 |
| Depth Clearance | 0.6 mm | 0.2 – 1.5 |
| Wall Thickness | 2.25 mm | 1.5 – 3.5 |
| Air Channel Length | 100 mm | 40 – 110 |
| Air Channel Width | 60 mm | 20 – 70 |
| Air Channel Depth | 1.2 mm | 0.5 – 2 |
| Fan Flange Length | 70 mm | 60 – 80 |
| Fan Flange Width | 70 mm | 60 – 80 |
| Fan Flange Thickness | 5 mm | 3 – 8 |
| Fan Screw Hole Spacing | 50 mm | 40 – 55 |
| Fan Screw Hole Diameter | 3.2 mm | 2.5 – 4.5 |
| Fan Screw Blind Depth | 4.2 mm | 3 – 6 |
| Fan Airflow Port Diameter | 50 mm | 30 – 55 |
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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