In 3D, you can get a z-axis rotation by composing rotations using the other 2 axis.
For instance, using a 5-axis CNC machine, you can get your object in any orientation.
Why is there 6 degrees of freedom if 5 are enough?
2026-04-04 21:20:32.1775337632
Is one degree of freedom in 3D redundant?
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