The Z axis leadscrew has an optional upgrade to Acme threaded rod, an improvement over the M8 threaded rod found in just about every other DIY machine kit.

A 195 mm M8 threaded rod is then used through the center of the trucks in order to provide an axle for fitting the wheels and bearings themselves.

Ciclop’s structure is composed of 3D printed pieces, M8 threaded rods, M8 screws, M3 screws, nuts and washers.