40mm fan grill

thingiverse

Here is a custom-made design created with the Thingiverse Customizer app. To build this project, use the following settings: * Use screws of size 0.55 * Drill a hole with diameter 3 inches from center to edge * Design the fan cover to be 4 inches long and 0.2 inches tall * Utilize 128 sides on each circle * Position four circles at even intervals around the perimeter, centered 0.35 inches above and below the screws * Place an inch of clearance between screws