Transform Constraint

The Transform Constraint allows its owner to copy all the transformation properties from a target object, regardless of their hierarchical relationships. These properties include Position, Rotation, and Scale.

How to create a Transform Constraint

1. Add a Transform Constraint to an object

Use the Constraints section of the Inspector to add a Transform Constraint to an object.

2. Choose a target

Use the new constraint's fly-out menu to select a target for this constraint.

3. Test that the Transform Constraint is working

Manipulating the target object now causes the constrained object to copy Position, Rotation, and Scale properties.

Strength

The Strength property determines how much the constrained object is affected.

A Strength of 0% means the constraint won't have any effect.

A Strength of 50% means half the value from the target will be applied.

Transform Space

Source Space

Choose whether this constraint should use World or Local coordinates for the Source Space.

Destination Space

Choose whether this constraint should use World or Local coordinates for the Destination Space.

Example: mechanical arm

Consider the package resting on the table and the mechanical arm below.

Add a Transform Constraint to the package and a target group at the end of the arm.

With a Strength of 100%, all the transform properties of the package match the target. Notice how the package moves and rotates correctly with the movement of the arm.

Set the Strength to 0% to make the arm drop the package.

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