The big, high-end kit ships for around $1250, but a smaller kit with 500mm rails, NEMA 17s, and threaded rod lead screw is available for around $800.

More sophisticated printers use ACME threaded rod or trapezoidal threaded rods. These are made for this type of service and have thread designs that minimize things like backlash.

Through the usage of ACME threaded rods as opposed to belts it is able to reach positioning resolutions up to 1.5 Microns.