The hotswap 3D printed mechanism is pretty neat (reminds me of the swappable harddrive days). As for Rpi clusters, its just a neat idea to think about. It's not

The hotswap 3D printed mechanism is pretty neat (reminds me of the swappable harddrive days). As for Rpi clusters, its just a neat idea to think about. It's not entirely trivial hardware or software wise to load balance 14 Rpis for "one purpose".