Rhinoceros Basic Commands

VIEWPORTS

Pan Front, Top, Left viewports

drag and hold the RMB*) or

Pan Axonometry viewport

hold the Shift key and drag and hold the RMB or

Rotate Axonometry viewport

drag and hold the RMB or

Zoom viewport

hold the Ctrl key and drag and hold the RMB or  

Maximize viewport

double-click on the viewport title

Restore viewport

double-click on the maximized viewport title

Synchronize views

View >  Zoom >  Synchronize views

Shading

RMB in viewport title > Shading or

CURVES

Point

Curve >  Point Object > Single Point or *

Curve >  Point Object >  Multiple Points or RMB * or

Polyline

Curve > Line > Polyline or

Line Segments

Curve > Line > Line Segments  

Single Line

Curve > Line > Single Line or

Circle

Curve > Circle > Center, Radius or

Circle in the normal plane of the curve with the centre on the curve

Circle Around Curve

Entry: 1) Centre of the circle at the point of the curve, 2) Radius.

Arc

Curve > Arc > Centre, Origin, Angle or

Helix

Curve > Helix or

Entry: 1) Start of axis, 2) End of axis, 3) Radius .

Options: Turns/Pitch, ¨Reverse twist (right-handed)/þ Reverse twist  (left-handed).

Section

Curve > From Objects > Section or

Entry:  1) Select objects for sections > Enter, 2) Start of section, 3) End of section

Surface intersection

Curve > From Objects > Intersection or

Entry: Select objects to intersect > Enter

Bézier cubic

Curve > Free Form > Control Points or

Entry:  1) Degree = 3, 2) 4 control points

Bézier curve of n-th degree

Curve > Free Form > Control Points or

Entry:  1) Degree = n, 2) n + 1 control points

Clamped approximation curve of n-th degree

Curve > Free Form > Control Points or

Entry:  1) Degree = p, 2) p + 1 control points at least

POINTS ENTRY

Coordinates entry

x,y,z ... i.g.: 10.5,24.8,16.4

In elevator mode

hold the Ctrl key and click to the top view of point, click the height of point without the Ctrl key

In Snap mode

button Snap is activated

In Osnap mode

End, Near, Point, Middle (in length), Centre (of an arc, of a circle), Intersection, Perpenducular, Tangent, Quadrant, Knot

SURFACES

 

Section plane

Surface > Rectangle > Cutting plane or

Entry: 1) Select objects for cut planes > Enter, 2) Start of cut plane, End of cut plane

Surface of revolution

Surface > Revolve or

Entry: 1) Select curves to revolve = generating curve(s) of the surface of revolution > Enter, 2) Start of revolve axis, 3) End of revolve axis.

Oprions: ¤ Exact, Start angle 0, End angle 360.

Helicoidal surface

Surface > Rail Revolve or RMB

Entry: 1) Select profile curve = generating curve of helicoidal surface, 2) Select path curve = helix, 3) Revolve axis origin = start point of the axis, 4) Revolve axis direction = end point of the axis

Surface of oblique cylinder

Surface > Extrude > Along Curve or

Entry: 1) Select shape curve = directing circle, 2) Select path curve = center line > Enter.

Surface of oblique cone

Surface > Extrude > To Point or

Entry:1) Select curve to extrude = directing circle, 2) Point to extrude to = vertex of the cone.

Surface developing

Surface > Unroll Developable Surface or

Entry: 1) Select surface or polysurface to unroll, 2) Select curves on surface to unroll > Enter

Bézier bicubic patch, 4 rows, 4 columns

Toolbar Surface > Surface From Control Points Grid RMB*)

Entry: 1) Number of points in row: 4, 2) Degree > Row degree = 3, 3) Number of points in column: 4, 4) Degree > Column degree: 3, 5) Enter coordinates of control points: V00,…,V03, …, V30,…,V33

Bézier patch, m + 1 rows, n + 1 columns

Toolbar Surface > Surface From Control Points Grid RMB

Entry: 1) Number of points in row: m + 1, 2) Degree > Row degree = m, 3) Number of points in column: n + 1, 4) Degree > Column degree: n, 5) Enter coordinates of control points: V00,…,V0n, …, Vm0,…,Vmn

Clamped approximation surface

m + 1 row, n + 1 columns

Toolbar Surface > Surface From Control Points Grid RMB

Entry: 1) Number of points in row: m + 1, 2) Degree > Row degree = m at most, 3) Number of points in column: n + 1, 4) Degree > Column degree: n at most, 5) Enter coordinates of control points: V00,…,V0n, …, Vm0,…,Vmn

CONTROL POINTS 

Control Points On

Edit > Control Points > Control Points On or

Control Points Off

Edit > Control Points > Control Points Off or RMB  or Esc

TRANSFORM

Move

Transform > Move or

Entry: 1) Select objects to move > click on objects > Enter, 2) Point to move from = reference point, 3) Point to move to = new position of reference point

Copy

Transform > Copy  or

Entry: 1) Select objects to copy = click on objects > Enter, 2) Point to copy from = reference point, 3) Point to copy to = new positions of reference point > Enter

Rotate

Transform > Rotate or

Entry: 1) Select objects to rotate = click on objects > Enter, 2) Centre of rotation, 3) Angle or first reference point, 4) Second reference point

Mirror

Transform > Mirror or

Entry: 1) Select objects to mirror = click on objects > Enter, 2) Start of mirror plane, 3) End of mirror plane

ANALYZE

Curvature Graph On / Curvature Graph Off

Analyze > Curve > Curvature Graph On/ Curvature Graph Off or

Entry: 1) Select objects for curvature graph display = click on objects > Enter, 2) Set Display scale and Density

Zebra

Analyze  > Surface > Zebra or

Entry: 1) Select objects for zebra stripe analysis = click on objects > Enter, 2) Set Stripe direction and Stripe size

OBJECT PROPERTIES

Colour of wire frame model

Edit > Object Properties or  > choose color from list Color

Layer of model

Edit > Object Properties or  > choose layer from list Layer