Code reference
G-Code R vs I and J for Beginners: Two Ways to Define an Arc
An arc needs a center, and G-code gives two ways to specify it: R names the radius, I and J point to the center. Each has a job, and R has one trap.
Lawrence Arya··4 min
Code reference
G02 vs G03: Clockwise vs Counterclockwise Arcs Explained
G02 cuts a clockwise arc and G03 cuts a counterclockwise arc. Here is how to tell them apart, which way to look, and why beginners reverse them.
Lawrence Arya··5 min