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On: September 27, 2025 Posted in G-Code & M-Code Reference Comments: 0 Views: 282

Polar Coordinate Interpolation (G12.1): Milling Circular Features with Rotary Axis

Polar Coordinate Interpolation (G12.1): Milling Circular Features with Rotary Axis Polar Coordinate Interpolation (G12.1) is a powerful but underused G-code that allows programming linear moves in X/C coordinates — perfect for milling bolt circles, keyways, or slots on cylindrical parts ...