Manual/Axis Locking

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User Manual: Contents | Guidelines | Blender Version 2.4x

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1 Normal axis locking
2 Inverse axis locking

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Normal axis locking

Mode: ObjectMode / EditMode (translate, rotate, scale, extrude)

Hotkey: X, Y, Z

Blender has a very useful option: If you want to

S - Scale
R - Rotate
G - Move/Grab/Translate
E - Extrude

the selected object, the operation can be constrained to one axis:

Press the appropriate key to start the operation (i.e. S to scale), then press X, Y, or Z to constrain to the corresponding global axis.

If the same "axis" key is pressed again, the operation is constrained to the object's Local axis e.g. G, X, X to constrain to the object's local X axis.

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Move/Translate

Press :

G,X for the global X-axis (left and right).
G,Y for the global Y-axis (forward and back).
G,Z for the global Z-axis (up and down).

Translation/Grab with locked axis X, Y and Z

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Rotate

Press:

R,X for the global X-axis (from left to right).
R,Y for the global Y-axis (from front to back).
R,Z for the global Z-axis (up and down).

Rotation with locked axis X, Y and Z

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Scale

Press :

S,X for the global X-axis (left and right).
S,Y for the global Y-axis (forward and back).
S,Zfor the global Z-axis (up and down).

Scale with locked axis X, Y and Z

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Inverse axis locking

Mode: ObjectMode / EditMode (translate, rotate, scale, extrude)

Hotkey: Shift X, Shift Y, Shift Z

You can lock two axes at once at both the global and the local axes.Press Shift X, Shift Y or Shift Z to lock the OTHER two axes. i.e

Shift X - Uses Y+Z
Shift Y - Uses X+Z
Shift Z - Uses X+Y

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Move/Translate

Press G,Shift X to move only along the global Y-axis and Z-axis (not left and right)
Press G,Shift Y to move only along the global X-axis and Z-axis (not forward and back).
Press G,Shift Z to move only along the global X-axis and Y-axis (not up and down).

Translation/Grab with locked axes Y+Z, X+Z and X+Y

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Rotate

For rotation pressing Shift has no effect (except for the display of different axes).

Rotating an object by locking two axes has the same effect as using only one axis to lock it, as rotation using two axes will rotate the object on the unlocked axis.

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