Object to curve constraint
This relation constrains an object to a curve. This can be useful to guide objects through 3D space without banging into other objects. The distance tolerance allows latitude to make the constraint less obvious.
Tangency aligns the object with the curve.
To constrain an object to a curve:
- Multi-select the object and then the curve that will serve as the path, in that order.
- Choose Relations > Object to Curve.
When you translate the object, it moves along the path.
Object to Curve Parameters
Active
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Toggles the constraint on and off.
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Weight
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Determines the weight of this constraint in relation to others constraints on the same object.
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Position parameter
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Determines the object's location along the curve in percentage (from 0 to 100).
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Distance tolerance
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Tolerance value in units by which the object can wander off the curve.
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Enable tangency
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Aligns the object with the curve.
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Constrained tangency
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Determines which axis of the object is tangent to the curve. By default (1, 0, 0) the X axis lines up with the curve.
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See also:
Unlocking constraints
Using weight to control multiple constraints
"To view the constraint in the viewports:"
Drawing a freeform curve
Path animation