In the early days of FDM 3D printing, the RepRap project spawned ... To correctly adjust the length of the string across the full range of motion, [dizekat] uses a complex articulating pulley ...

Combined with its sturdy all-metal frame and core XY structure, the result is smoother, cleaner prints with no annoying stringing or ghosting. Flashforge Adventurer 5M 3D Printer for $279 ...