Sci-fi Shipping Cannister and Rack [Support-Free]

his is a set of liquid/gas cannisters, designed to be used individually as scatter/cargo/etc, and with a frame system that allows you to stack them up for big pieces of warehouse scatter, cargo, etc. The frames stack on top of each other, and there's torx keys so the cannisters sit in place in the frames. All pieces print support-free.