CR3520 Buck Module Enclosure (supports PD input + active cooling)

This is a compact enclosure specifically designed for the CR3520 DC-DC buck module, supporting the use of a PD trigger (USB-C PD Trigger) as an input power source, making it convenient to connect to various PD power supplies (such as chargers, power banks, etc.).

The enclosure integrates a 3010 fan mount, providing active cooling to significantly enhance the module's stability and reliability during high-power output.

Key Features | Features

• ✅ Supports USB-C PD trigger power supply
• ✅ Integrated 3010 fan slot (active cooling)
• ✅ Compact structure, easy for desktop/embedded use
• ✅ Module fully enclosed, prevents accidental short circuits
• ✅ Reserved wiring space, friendly for cable routing
• ✅ Supports two fastening methods: with screws or screwless

Assembly Methods | Assembly

Method 1 (Recommended):

• Use 4 × M2×8 bolts to secure the enclosure

Method 2 (Screwless):

• Use the Clamp file provided in the model for snap-fit fastening

Compatible Hardware | Compatible Hardware

• CR3520 DC-DC Buck Module
• USB-C PD Trigger Board
• 3010 Fan (30×30×10 mm)

Print Suggestions | Print Settings

• Material: PLA / PETG (PETG is recommended for better heat resistance)
• Layer height: 0.2 mm
• Infill: 20–40%
• Supports: None or minimal (depending on print orientation)

Design Description | Design Notes

• Structure reserves cooling air ducts, improving efficiency with a fan
• Module mounting positions and interfaces are aligned for out-of-the-box use
• Enclosure balances strength and print efficiency, suitable for FDM printing

Application Scenarios | Use Cases

• Adjustable power module enclosure
• DIY electronic power system
• Laboratory/desktop power module
• Drone/robot power supply module

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