Overview:
I wanted to design a case for my Raspberry Pi 3 A+ supporting a fan with parts I had laying around. I only had a 40mm blower fan and as I couldn't see any models for this, I decided to make my own.
My make of this has both FDM (Case & Lid) and Resin printing (Ducting) - Although it is possible to print the ducting using an FDM printer, I choose to use a semi transparent resin so I could see the Pi's heatsink.
*Requires modifying the Pi by removing the USB port*
Hardware required:
Printing Instructions:
Case:
- Resolution: 0.2mm layer height
- 20% infill
- 4 perimeters
- 4 top layers
- 3 bottom layers
- Support required - YES
- Print orientation - Bottom down
Lid:
- Resolution: 0.2mm layer height
- 20% infill
- 3 perimeters
- 4 top layers
- 4 bottoms layers
- Support required - NO
- Print orientation: Top down
Ducting:
- Resolution: 0.08mm layer height
- Print orientation: hole side towards build plate
Summary:
This is my first CAD Design and Mk2 of this model.
I plan to rework this model in the future to improve the following:
- Make it easier to print without supports
- Reduce the amount of plastic used (I aim to also reduce the volume of this design)
- Use less specific hardware (e.g. clips instead of screws)
- Test that the Auto Fan control (https://thepihut.com/products/auto-fan-control-module-for-raspberry-pi) fits inside the case, if not - redesign so that it does.
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