Fan Grill
Finger guards for 40–140 mm fans
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About this generator
Protect fingers, cables and cats from spinning fan blades. Screw holes match the standard fan sizes.
How to use
- Pick your fan size.
- Choose a pattern and hole size.
- Mount it with the fan's own screws.
Printing tips
- Bigger holes and thinner bars mean more airflow.
- Print flat; no supports needed.
Helpful guides
Frequently asked questions
Which screws?
Holes are 3.4 mm for fans up to 92 mm and 4.4 mm for 120 and 140 mm fans.
Which pattern lets through the most air?
Bigger holes and thinner bars give more airflow, whichever pattern you choose.
