Shape Type : Select the type of connection curve.
- Polynomial : Assumes the connection curve as a polynomial function and sets the order of the function by inputting its degree of order.
- Arc : Assuming the connection curve is arc, sets the radius of the arc.

Variation origin : Specify the base position of the connection curve. Applies to the Start profile and the End profile respectively.

Curve order-y,z : Sets the order for the curve connected in the Local-y, z direction. (Expressed when Polynomial)

Radius-y,z : Enter the radius of the arc for the connection curve in the direction of the Local-y, z. (Displayed when Arc)

Convexity-y,z : When checked On, the convex connection curve is applied in y, z direction.

Keep target orientation : Retains the direction of the target regardless of the direction of the path.

Keep bulge factor : When checked on, it maintains the extrusion rate of 'Shape variation' line according to the change of the length of the object.