Rolling Drone Rail Chassis (3D Printable)

Rolling shield sphere whoop quad copter drone chassis, with cargo/power/control center hull. Metal support bars optional, weight 87g+2x18g= 123g without aluminium bars, aluminium bars about 4x18g= 72g, center hull 76g+2x5g= 86g. The center hull can hold a through chassis turbine generator jet engine. The quad electric ducted fans can be turbo props, or combo 2-in-1 electric-gasoline jet-turbo engines, with their own super cap buffer batteries.

https://www.thingiverse.com/thing:6119194