Zipline Trolley

Zipline Cargo TrolleyThis is a simple zipline trolley designed to attach to a pulley using the two top-mounted holes. The angled walls help keep the pulley stable during movement, while the hollow interior can hold small objects for fun or to add weight for smoother travel along the line.Features:Attaches easily to a standard pulley through the top holesInternal compartment for carrying items or adding weightSloped side walls for pulley clearanceFun for backyard ziplines, experiments, or STEM projectsNo moving parts—just connect and ridePrint with a durable material like PETG or ABS if using outdoors or carrying heavier items.