3.1. Add Curve

Draw another Curve to shape the current object.

This tool works with Lathe and Loft objects as they support multiple curves.

After drawing a new Lathe or Loft this tool is automatically selected ready to draw more curves.

3.2. Redraw Curve

Redraw the entire Curve.

Replaces the selected curve with the new one you draw.

3.3. Draw Details

Redraw a small part of the Curve.

Replaces a short segment of the original curve with a new drawn curve.

3.4. Trim Curve

Click on the Curve to Trim it to that length.

Trims the shorter side of the curve. If you need to trim over 50% of the length just cut several shorter segments (each shorter than 50% of the curve).

3.5. Straighten Curve Segment

Drag between two points on the Curve to straighten a segment.

Alternative Ruler Styles

You can use this tool with a number of different styles apart from Straight. In the Curve menu choose Ruler Mode... then pick a style. Each of these will automatically redraw a segment of your curve while trying to match the style shape.

In the case of Ruler Mode.../Smooth the segment of the curve is smoothed. This is useful for controlled smoothing of a short part of the curve.