HandleCurve

Toolbar	Menu
Curve Curve Drawing	Curve Free-Form > Handle Curve

Toolbar

Toolbar: Curve | Curve Drawing

Curve

Free-Form >

Handle Curve

The HandleCurve command draws illustration-program-style chained Bézier curves.

Pick the first curve point.
Pick a handle location.
Repeat the steps to place additional points, and press Enter to end the command.

Command-line options
Alt key	Press Alt to place a kink.
Command ⌘ key	Press Command ⌘ to place the point.
AutoClose	Closes the curve when the cursor moves close to the curve's start point. AutoClose steps Move the cursor close to the start point of the curve, and pick. The curve will close. Press the Alt key to suspend automatic closing.
PersistentClose	Closes the curve as soon as there are two points placed. If you continue to pick points, the curve updates the shape while remaining closed.
Close	Closes the curve smoothly, creating a periodic curve.
Sharp	Closes the curve with a kink, creating a non-periodic curve.
Undo	Reverses the last action.

HBar

Toolbar	Menu
Point Edit	Edit Control Points > Handlebar Editor

Toolbar

Toolbar: Point Edit

Edit

Control Points >

Handlebar Editor

The HBar command edits a curve or surface with Bézier curve style handlebars.

Select a surface.
Click and drag one of the handlebar grips to move it around.
Press and hold Alt to drag points on the surface in the surface normal direction.
Click near the object to move the handlebar to the marker position.
Press Enter to end the command.

Command-line options
Tangents (surfaces only)	Shows the tangent and normal grips with the grip on the surface. Drag the normal midpoint grip to move the normal handle away from or toward the surface. Drag the normal endpoint grip to rotate the normal handle. Wikipedia: Tangent
FixedHandleLength	Prevents changing the shape of the curve by stretching the handles.

Command-line options

Tangents
(surfaces only)

Shows the tangent and normal grips with the grip on the surface.

Drag the normal midpoint grip to move the normal handle away from or toward the surface.

Drag the normal endpoint grip to rotate the normal handle.

FixedHandleLength

Prevents changing the shape of the curve by stretching the handles.