# Curve Drawing toolbar

##### Arc

Draw an arc with options for center, start, angle, and direction.

Link to Arc toolbar

##### Arc, Start, End, Direction

Arc by start, end, direction at start.

##### Arc, Start, Direction, End

Arc by start, direction at start, end.

##### Arc, Start, End, Point

Arc by start, end, point on arc.

##### Arc, Start, Point, End

Arc by start, point on arc, end.

##### Arc, Tangent

Arc tangent to curves.

##### Arc, Tangent, Tangent, Radius

Arc tangent, tangent, radius.

##### Cancel

Cancel the current command and deselects objects.

##### Cancel, All

Turns off Points, CurvatureGraph, EMap, Zebra, MoveUVN, CurvatureAnalysis, and deselects objects.

##### Circle

Draw a circle from center and radius, diameter, points on the circumference, and circumference length.

Link to Circle toolbar

##### Circle, Diameter

Draws a circle from points on diameter.

##### Circle, Tangent, Tangent, Radius

Draws a circle tangent to two curves and a radius.

##### Circle, Vertical to CPlane: center, radius

Draws a circle from a center and radius vertical to construction plane.

##### Conic, Tangent at start

Draw a conic curve tangent at the start.

##### Conic, Tangent at start and end

Draw a conic curve tangent at the start and end.

##### Curve

Draw a curve from control point locations.

Link to Curve toolbar

##### CurveThroughPt

Fit a curve through point objects.

##### Ellipse

Draw a closed elliptical curve from focus points, center and edges, bounding rectangle, and around a curve.

Link to Ellipse toolbar

##### Ellipse, Diameter

Draws a closed elliptical curve by diameter.

##### Explode

Break objects down into components.

##### ExtractSrf

Separate or duplicate a polysurface face.

##### HandleCurve

Draw chained Bézier curves with editing handles.

##### Helix

Draw a helical curve with options for number of turns, pitch, vertical, reverse, and around a curve.

##### Helix, Vertical

Draw a vertical helical curve.

##### InterpCrv

Fit a curve through picked locations.

##### HandleCurve

Draw chained Bézier curves with editing handles.

##### InterpCrvOnSrf

Fit a curve through locations on a surface.

##### Join

Connect curves, surface edges, or surfaces to form a single object.

##### Line

Draw a single line segment.

##### Line, Normal

Draw a line segment normal to a surface.

##### Line, Normal, BothSides

Draw a line segment normal to a surface from its midpoint.

##### Line, Perpendicular, from curve

Draw a line segment perpendicular from a curve.

##### Line, Perpendicular, to curve

Draw a line segment perpendicular to a curve.

##### Line, Tangent

Draw a line segment tangent from a curve.

##### Line, Vertical

Draw a line segment perpendicular to the construction plane.

##### Line, Vertical, BothSides

Draw a line segment perpendicular to the construction plane from its midpoint.

##### Move

Move objects from one location to another.

Link to Transform toolbar

##### Parabola

Draw a parabolic curve from focus and vertex or endpoint.

##### Polygon

Draw a polygon with a specified number of sides with options for inscribed/circumscribed, by edge, star-shaped, around a curve, and vertical.

Link to Polygon toolbar

##### Polygon, Square from center and corner

Draw a square polygon by center and corner.

##### Polygon, Square, from edge

Draw a square polygon by edge.

##### Polygon, Star

Draw a polygon star.

##### Polyline

Draw a multi-segment polyline with options for line and arc segments, tracking line helpers, and close.

Link to Lines toolbar

##### Lines

Draw multiple adjoining line segments.

##### Rectangle

Draw a rectangular closed polyline from with options for starting at the center, three points, vertical, and rounded with arc or conic corners.

Link to Rectangle toolbar

##### Rectangle, 3Point

Draw a rectangle through three points.

##### Rectangle, Rounded

Draw a rectangle with rounded corners.

##### Rectangle, Rounded, conic corners

Draw a rectangle with conic rounded corners.

##### Rectangle, Vertical

Draw a rectangle perpendicular to the construction plane.

##### Sketch

Drag the mouse to draw a curve.

##### Sketch, on surface

Drag the mouse to draw a curve on a selected surface.

##### Split

Divide objects using other objects as cutters.

##### Split, Isocurve

Divide objects using isocurves as cutters.

##### Trim

Cut and delete selected portions of an object at the intersection with another object.

##### Untrim

Remove trim curves from trimmed surfaces.

Rhino for Mac © 2010-2017 Robert McNeel & Associates. 24-Oct-2017