To draw a Bspline

1 Click the Curve tools button, and click the B-Spline tool --v.

2 Click where you want to start the line.

3 Click to set as many control points as you need to shape your line.

Control points float by default but you can clamp control points to the line by pressing V while clicking.

4 Double-click to finish the line.

Pressing Esc cancels the line instead of finishing it.

You can also

Reshape the line by using control points

Float a control point

Clamp a control point

Select the line by using the Shape tool 4 , and reposition the control points to reshape the line.

Select the line by using the Shape tool, click a clamped control point, and click the Make control point floating button À on the property bar.

Select the line by using the Shape tool, click a floating control point, and click the Make control point clamped button on the property bar.

Add a control point

Select the line by using the Shape tool, and double-click along a control line.

Delete a control point

Select the line by using the Shape tool, and

double-click the control point you want to

delete.

Select multiple control points

Select the line by using the Shape tool, and hold down Shift while you click on the control points you want to select.

If you add to a B-spline by selecting the first or last control point, the clamped control point automatically changes to a floating control point as you draw the new portion of the line.

By choosing Arrange > Convert to curves, you can convert a B-spline line to curves and then reshape it by using nodes. After a line has been converted, you can no longer edit it by using B-spline control points.

You can change whether a control point is floating or clamped by holding down V and clicking a control point.

You can also add control points while you draw a B-spline by pressing Spacebar instead of clicking.

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