I got tired of the previously used cooling duct that was softening and sagging from the Volcano's hot heat block, so I designed a new one to be printed out of ABS filament. I tried to keep the air path as wide as possible so as not to choke the fan, as well as the small size of the air duct in the X/Y plane. There is also room for the 12mm wrench I use to hold the block when changing the nozzle. I hope that someone still uses a classic Hypercube printer in 2023 and finds my modification useful.

Print with ABS, 0.4mm nozzle/0.2mm layer height/ touching bed supports