PRUSA like  Raspberry PI 4 case with a 40x40 fan and bracket for MK3S
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PRUSA like - Raspberry PI 4 case with a 40x40 fan and bracket for MK3/S

PRUSA like Raspberry PI 4 case with space for a 40x40 fan and a bracket to clamp the case to the frame of the PRUSA models ...

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PRUSA like - Raspberry PI 4 case with a 40x40 fan and bracket for MK3/S alternatives