Use Fixed/Dynamic Parametrization

Use parametrization to define relative locations of control points on a spline curve. This affects the curve's behavior when sketching. In dynamic parametrization the relative locations are calculated from the distances between the control points. This reduces formation of loops and enables a control point to slide along the spline curve. In fixed parametrization the control points are located evenly on a spline curve, which corresponds spline curve's implementation in former software versions.

You can change the default parametrization as required. Edit a spline curve parametrization as follows:

1. Select the spline curve.
2. Select the context-sensitive function Use fixed/dynamic parametrization.
3. Change the former setting back by selecting the same function again.