This article is free for you and free from outside influence. To keep things this way, we finance it through advertising and shopping links. If you purchase using a shopping link, we may earn a commission. Learn more
G-code Marks the Spot
G91 / G90 G-code: Absolute & Incremental Positioning
Jackson O'Connell
Published Nov 24, 2020
G-code has two positioning modes: G91 is incremental, while G90 is absolute. Learn the important difference between G91 and G90 G-code!