Plane Selection With G-Code

August 15, 2022 12:46 pm



In this video, by Marc from GCodeTutor we are shown how to select our working planes, select the correct plane and how to switch between them within our programs.

When programming CNC machines, we have to specify which plane we are working on.
We have 3 planes to choose from, and we select the planes by using G17, G18 and G19.

G17 – X & Y plane
G18 – X & Z plane
G19 – Y & Z plane

For the machine to understand the movement of the cutter when programming G02 or G03 in the Z axis, we need to switch away from the standard G17 plane and select a plane along the Z axis.

If you want any more information about these codes or other G-code information, head to


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