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G2 G-code
G2 means “move while activating the tool”, in a clockwise arc motion.
This command is equivalent to G1, except the motion is rotational instead of linear.
G2’s evil twin is G3, which is exactly the same, except it is counter-clockwise instead of clockwise.
Format
The command is used as such:
G2 X10 Y20 I30 J40 F100
Which means: move to X position 10, Y position 20, while maintaining a constant distance from the point of relative coordinates X 30 and Y 40, at a speed of 100 millimeters/minute.
Parameters
| Parameter | Usage | Example |
|---|---|---|
X |
Move to this position in the X axis | G2 X10 I10 |
Y |
Move to this position in the Y axis | G2 Y10 I10 |
Z |
Move to this position in the Z axis | G2 Z10 I10 |
I |
The point in X space from the current X position to maintain a constant distance from | G2 X10 I10 |
J |
The point in Y space from the current Y position to maintain a constant distance from | G2 Y10 J10 |
K |
The point in Z space from the current Z position to maintain a constant distance from | G2 Z10 K10 |
F |
Move at this speed in millimeters/minute (No F parameter results in using last G1 feedrate) | G2 X10 I10 F100 |
Further reading
These resources are used as references for Gcode: