requires 4 4mm heat set inserts to mount the 120mm fan and 4 15mm m3 standoffs between the block and the printed part. Longer standoffs would be fine, but 15mm is the minimum.
attach the printed part to the standoff with 10mm m3 bolts and the fan to the printed part with 10 or 12mm bolts.
The author marked this model as their own original creation.