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Pi Zero Four-Blade Cluster Rack
A vertical rack that holds four Raspberry Pi Zero boards 24 mm apart on printed fins. Each fin has diamond standoffs on the Zero's 58 x 23 mm hole pattern with 2.9 mm M2.5 clearance holes. Open slots in the floor and diamond windows in the fins let air rise between the boards. The side rails are kept low so the SD slots stay reachable, and four 4.5 mm holes take M4 or #8 screws for a wall or bench mount. The whole rack is 84 x 100 x 42 mm.
Flagged: a sharp edge or blade. Not for safety-critical use without independent engineering review.
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