# constrain_fix_rsketch ## API Definition ```python def constrain_fix_rsketch(sketch: Sketch, target: Union[SketchRef, str], *, constraint_id: Optional[str] = None) -> Sketch ``` *Source: operations.py* ## Import Surface - top-level: `from simplecadapi import constrain_fix_rsketch` ## Description Fix a sketch point or entity to its initial coordinates.