New in Rhino 8

Full Command list

New commands

AddObjectsToBlock

Adds objects to an existing embedded block definition.

AutoAlignCPlane

Turns on/off Auto CPlane and manages the related options.

BakeMapping

Creates a new texture image by mapping a texture from a UV mesh to another.

ClearClippingSections

Clears the clipping state of one or more clipping widgets in one or more views.

ClippingDrawings

Extracts sections and background geometry of clipping planes to generate 2D drawings on the World Top plane at the picked locations.

ClippingPlaneProperties

Manages the properties of a Clipping Plane in Command-line.

ClippingSections

Creates clipping planes that cut through selected objects with settings to define direction, depth, label, and save section views as Named Views.

Containers

Opens the Containers dialog box to manage the panels or toolbars in containers.

ConvertToSingleSpans

Splits a NURBS surface at knots to create untrimmed single-span surfaces.

CreateUniqueBlock

The CreateUniqueBlock command duplicates the block definition of a block instance and changes the block instance to reference the new block definition.

DimVolume

Dimensions the volume of a closed extrusion, surface, polysurface, mesh, or SubD.

EditClippingDrawings

Updates the option settings for existing clipping drawings.

ExportClippingDrawings

Saves clipping drawings of selected clipping planes to separate Rhino (.3dm) or .dwg files.

ExportClippingSectionInfo

Creates a .csv file listing sections with basic location and area calculations for sections that have clipping drawings associated with them.

ExportLinkedBlocks

Saves all the Linked and Embedded and Linked block definitions in the current model to a zip file.

ExportRuiFile

Merges the original toolbars of the selected .rui file and its customized toolbars into a new rui file.

ExtractClippingSections

Duplicates the section boundaries and fills from the objects clipped by the selected clipping plane as curves and hatches.

ExtractClippingSlices

Extracts 3D slices of clipped model objects from clipping planes.

ExtractLineTypeSegments

Converts linetype patterns of the selected curves to curve segments and points.

ExtractOriginalCaptives

Restores the original, undeformed, captive object(s) at its original location.

FileExplorer

Opens the File Explorer panel that can access any types of files on the computer.

FilletSrfCrv

Creates a fillet surface between a surface and a curve.

FilletSrfToRail

Creates a surface blending between a surface and a curve referencing the curvature of another surface.

FitCurveToSurface

Projects or pulls a curve onto a surface and transfers the knot parameterization in the U or V direction to the new curve.

GumballDynamicRelocate

Allows relocating Gumball by dragging one of its controls.

HighlightObjectLayers

Selects the layers of selected objects when the Layer panel is visible.

JoinCopy

Duplicates the selected objects and joins the duplicates.

Linetypes

The Linetypes command shows document linetype definitions in a tabbed panel.

Macros

Opens the Macro Library dialog box to manage the macros in the default toolbars or linked rui files.

Menus

Opens the Menu Editor window.

NestedClippingDrawing

Projects object sections from 3D space to the World XY-plane, on the current layer, with user-specified spacing and arrangement.

PushPull

Extrudes a polysurface face to interactively add or remove volumes on the polysurface.

ReducePointCloud

Removes random points of a specified number from a point cloud.

Reset

Restores the window layout, toolbars, or all settings to the initial state of the Rhino app.

SaveACopy

Saves the current Rhino model, including unsaved data, to a new 3dm file. The current date and time will be added to the file name.

SaveClippingSectionCPlanes

Saves Named CPlanes using the names and orientations of selected clipping planes.

SaveClippingSectionViews

Saves the views of selected clipping sections to the Named Views panel.

SaveWindowLayout

Saves the current arrangement of containers, panels, and toolbars to a new custom Window Layout.

ScriptEditor

Opens the Script Editor window for Python and C# programing.

SelClippingPlaneInViewport

Selects the clipping planes that clip the current model or detail viewport.

SelFacesToBoundary

Selects SubD or mesh faces surrounded by selected faces, borders, or both.

SelMirroredBlocks

Selects the block instances that were mirrored or scaled with a negative factor.

SelRectangular

Emulates the regular window selection action with some control options.

SelSubDEdges

Selects different types of edges on selected SubDs.

SetCustomLinetype

Edits an object's custom linetype properties in a floating dialog.

ShrinkWrap

Creates a mesh wrapping around the selected geometry including NURBS surfaces, SubDs, meshes, pointclouds, and point objects.

SnapToSubDObject

Constrains mouse picking on the selected SubD object.

SplitRefitSurface

Splits a surface using a curve, and refits the two parts so that the edges from the split operation become untrimmed edges of two surfaces.

SubDCrease

Adds weight-blended soft crease edges to SubDs.

SubDSpinEdge

Rotates a picked SubD edge by marching each end to the next vertex simultaneously.

ToggleLeftSidebar

Show or hide the left sidebar of the Rhino window.

ToggleRightSidebar

Show or hide the right sidebar of the Rhino window.

UngroupAll

Ungroups the selected group and the groups nested in it all at once.

UpdateClippingDrawings

Updates clipping drawings to reflect changes in the clipped geometry.

ViewClippingSections

Aligns the view and/or construction plane of a viewport to match the selected clipping section plane.

WindowLayout

Opens the Window Layouts dialog box to list, save, restore, export, or import arrangement of containers.

Enhancements and new options

4View: Added First Angle Projection option. (RH-73266)

Animation:

Sun study commands allow selecting display modes using Scene Lighting. (RH-49948)
View animates along path with an even speed despite curve parameters. (RH-69232)

AlignVertices: Added AverageVertexesToAdjust option. (RH-62802)

Annotation:

Added Frame around text option to annotation styles and objects. (RH-14110) (RH-71231)
Added List option to SetDimensionLayer command for picking an existing layer from a dialog. (RH-70606)
Dimension layer is changed to a document property. (RH-63122)

Annotation Hatch:

Allows multiple pattern files to import at once in document properties. (RH-49262)
Added Import hatch pattern button to Hatch object properties. (RH-61464)
Multi-degree polycurve can be embed as hatch boundary with the degrees preserved. (RH-67906)
Allows picking rotation angle by mouse. Details... (RH-51069)
Allows setting repeat value by picking repeat distance in viewports in Hatch properties. Details...
Added Reverse Gradient Colors and Reset Gradient Boundary to Hatch properties. (RH-66423) (RH-67906)
Added Background (Backfill) color and Show Boundary to Hatch properties. (RH-67150)
Added Display Color setting to hatch creation dialog. (RH-73129)
Added a +/- button to column header of Import Hatch Pattern dialog to check or uncheck all hatch patterns. (RH-52796)

Annotation Linetype:

Print, PDF, and SVG export support cap and join settings. (RH-1482 (RH-65288)
Linetype patterns will not restart at smooth kinks. (RH-36465)
Works with dimension lines. (RH-3076)
Always display with defined pattern lengths in layout and detail views. (RH-2370)
Added cap and join styles to document properties. (RH-65284)
Dynamically draws layer linetype while creating curves. (RH-71784)
Added Taper, Width Units and Width settings to linetypes. (RH-71784)
Added Custom linetype settings to object properties. (RH-72826)
Allows editing default linetypes except Continuous. (RH-73528)
Document linetype list table can be re-sized. (RH-73526)
Linetype list preview draws thickness and taper. (RH-73917)

ArcBlend: Accepts input of collinear lines. (RH-75337)

Array: Added Fill mode that encloses arrayed objects in a distance, a rectangle, or a bounding box. (RH-707)

ArrayCrv: New Stairlike orientation style. (RH-2913)

Audit3dmFile:

Lists information about embedded images. (RH-68745)
Lists information about unused materials. (RH-68746)

Bend: Added NonAttenuated option. (RH-12162)

BlendEdge: Double-clicking a polysurface with editable edge blends starts the editing mode. Details... (RH-68571)

Block: Uses the active unit system (model/layout) to create block defintions. (RH-74172)

Block Manager:

BlockManager command opens the new modeless Block Definitions panel. (RH-74937)
Lists objects in block definitions. Details...
Added an option to list/unlist unused block definitions. Details...
Added a search box. (RH-50582)
Selecting block definitions highlights their instances in viewports with pink color.
Allows inserting block instances to viewports by drag and drop.
Allows changing model units of embedded block definitions. Details... (RH-28728)
Selecting a block definition highlights its block instances in pink with axes icons. (RH-71857)
Selecting a block instance highlights its block definition in light-blue. (RH-71857)
Added a Pop out button that brings up a larger and resizable Block Definition Properties window. (RH-72340)
Block definition names can be edited directly without having to open a dialog. (RH-955)
Added "Purge unused block definitions" to options menu. (RH-955)
Added "Group similar block instances" setting. (RH-77975)
Added Status Bar that shows selection count etc. (RH-80370)

Boolean commands:

Work with SubD in block. (RH-72145)
Support picking block members in general, not just as cutters. (RH-72177)

BooleanDifference:

Added History support when DeleteInput=No. (RH-67393)
Added DeleteCutters option when DeleteInput=Yes. (RH-70902)

BooleanSplit: Added History support when DeleteInput=No. (RH-67385)

BooleanUnion:

Added History support when DeleteInput=No. (RH-67384)
Added DeleteInput option. (RH-67384)

Bounce: Added Object option for ray direction to work with History. (RH-59765)

BoundingBox: Added History support. (RH-67711)

Bridge: Works better with Reflect and Radiate commands. (RH-66133)

ChamferEdge: Double-clicking a polysurface with editable edge chamfers starts the editing mode. Details... (RH-68571)

ChangeDegree:

Works with standalone cage objects created by Cage command. (RH-67856)
Works with control objects set by CageEdit command. (RH-67957)

Cage/CageEdit:Typing a number sets the same point count for all directions. (RH-2046)

Cage: Made BoundingBox option possible to create 1D (line) or 2D (plane) object. (RH-69915)

CageEdit:

Made BoundingBox option possible to create 1D (line) or 2D (plane) control cages. (RH-69886)
Works with point objects and point clouds. (RH-9080)
Added Rigid=Yes/No option. (RH-28517)
Supports editing block instances. Block instances always transform rigidly on cage editing, regardless of the Rigid setting. (RH-72594)
Added ObjectPlane option to align rectangular cage to 2D object in 3D space. (RH-69887)

ClippingPlane:

Allows picking a clipping edge to select the clipped object. (RH-66244)
Made layout view list collapsible by pages and added icon to indicate active detail view. Details... (RH-64892)
Orientation is made consistent with Plane command. (RH-56249)
Fills the closed section of an open object. (RH-46092)
Allows double-clicking a detail view item in Clipping Plane properties to activate the detail view. (RH-70051)
Allows double-clicking a layout item in Clipping Plane properties to make it the current layout viewport. (RH-69774)
Added Object color option for edge display. (RH-29737)
Allows per object clipping (Object Properties > Clip). (RH-27530)
Added Label, Custom Depth, Section Style, and Object Clipped settings to properties. (RH-67007) (RH-73137)
Turns control points on when single clipping plane is selected. (RH-74682)
New ClippingPlane widget. (RH-74667) (RH-74196)
Allows including or excluding objects or layers. (RH-74287)
Made only snapped by Point OSnap at three locations where control points show. (RH-78226)
Added Name field to Clipping Plane properties. (RH-74486)

CommandHistory: Allows pressing F2 key to close the dialog. (RH-66192)

ComputeVertexColors: Allows input of multiple meshes in a command session. (RH-64295)

ContinueInterpCrv: Added EndTangent option. (RH-68065)

Contour:

Added History support. (RH-2548)
AssignLayersBy option is replaced by AssignProperties. (RH-68954)
Added Output=All/CurveOnly options. (RH-65950)
Creates hatches based on input object's section style properties. (RH-65950)

Copy:

Allows pressing Enter to copy from object bounding box center. (RH-67162)
Sub-object can be copied and pasted as a new object. (RH-54501)

CreateRegions:

Inherits attributes like usertext from input. (RH-67593)
Added DeleteInput and OutputLayer options. (RH-67593)

CrvDeviation: Now reports Minimum deviation as zero if the curves intersect. (RH-67656)

CrvSeam: Now ignores all OSnaps when picking the seam to change, and turns off Center OSnap while dragging the seam. (RH-74040)

CurvatureAnalysis: Support SubDs. (RH-50501)

Delete: Reports object number to command-line. (RH-68753)

Detail: New FromDetail option using First or Third Angle Projection. (RH-2952) (RH-73267)

Displacement:

Mesh memory limit is increased from 8 GB to 32 GB. (RH-68551)
Added progress report to the panel. (RH-71975)

Display:

Surface wires are cached like curve objects to improve performance. (RH-62813)
Added screen-space dashed curve drawing for Grasshopper. (RH-59144)
Added DirectionArrowThickness in advanced settings. (RH-62255)
Added per object display mode setting to object properties. (RH-69300)
Added Display Mode settings to Viewport Properties and Display panels. (RH-70242)
Added Parallel Reflected projection in viewport properties for making a view similar to Reflected Ceiling Plan. (RH-37076)
Dynamically draws layer linetype while creating curves. (RH-71784)
Print Preview mode draws dynamic feedback with layer print color. (RH-73756)
Added "Show surface edges" checkbox to display mode options. (RH-74222)
Implemented real-time, per-pixel procedural generation in GPU shaders. (RH-65677)
Added Use section styles checkbox to clipping plane settings in display mode options.
Added Show isocurves for flat faces setting to display mode options. (RH-74180)
Added curve width scaling setting to display mode options. (RH-75095)
Width of curves and edges can be set by object linetypes.
Added Technical, Artistic, Pen, and Monochrome display modes to the Shade command. (RH-23502)

Distribute: Allows control / edit points and mesh / SubD vertices as input. (RH-70352)

Divide:

New DeleteRemainder option. (RH-50830)
Added dynamic preview when typing a number for segments, length, or chord length. (RH-67581)

DraftAngleAnalysis:

CPlane Z option uses current viewport instead of selected viewport. (RH-68844)
Allows using Named CPlanes. (RH-68834)
Automatically sets direction when switching direction options. (RH-68893)

Drag: Allows directly dragging a sub-object when Ctrl(CMD)+Shift are pressed. (RH-74118)

DupFaceBorder: Creates curves from boundary of merged SubD faces. (RH-75246)

Extend: Added Join=Yes/No/Merge options. (RH-5921)

ExtendDynamic: Added Join=Yes/No/Merge options. (RH-5921)

ExtractMeshEdges: Added by Naked option. (RH-66383)

ExtractPt: Output=PointCloud now creates a single point cloud from multiple input objects. (RH-67664)

ExtractRenderMesh: Works with curve piping meshes. (RH-51190)

ExtractSubCrv: Works with pre-selected polycurve segments. (RH-66072)

ExtractSrf: Added SubDAddCorners option to crease corner vertices. (RH-70987)

ExtractUVMesh: Added 1to1 option. (RH-65711)

ExtrudeCrvTapered: Added SplitAtTangents option. (RH-47111)

ExtrudeMesh: Default to Basis=UVN and Direction=N. (RH-68466)

ExtrudeSubD: Default to Basis=UVN and Direction=N. (RH-68466)

Fair: Added PreserveEnds option. (RH-72060)

Fill: Works with mesh objects. (RH-76553)

Fillet: Added Dynamic option for interactive preview. (RH-76418)

FilletCorners: Previews in command session. (RH-73087)

FilletEdge: Double-clicking a polysurface with editable edge fillets starts the editing mode. Details... (RH-68571)

Fin: Made not to add extra knots when input is an edge of base surface. (RH-67883)

Gumball:

When typing distance on an arrow, pressing Shift+RMB/Enter/Space/Tab moves object in opposite direction. Details... (RH-62864)
The size is scaled by screen DPI setting on Windows. (RH-72125)
Moves to new object when copying sub-object with Alt key. (RH-72788)
Allows creating solid from a closed planar curve when extruding direction is not perpendicular to the curve. (RH-72382)
A planar closed loop consisting of separate curves can be extruded as a solid. (RH-73064)
New cutting handle. (RH-74746)
Shows a circle around the Extrude dot to indicate Extend mode is possible. (RH-75664)
Relocate with mouse is changed from Ctrl(CMD)+Drag to Double-click. (RH-75362)
Relocate with numeric input is changed from Ctrl(CMD)+Click to Ctrl(CMD)+Double-click. (RH-76815)
Added Merge faces after extrude setting to Gumball pane and menu ball menus. (RH-70949)
Added command-line options for hiding handles on Gumball widget. (RH-74974)
Maintain relocation for sub-object editing until selection is cleared. (RH-75509)
Alignment mode sticks across Rhino sessions. (RH-80583)

Help

Offline Help is installed for all users on a computer instead of current user only. (RH-75379)

History:

Symmetry works with cage editing. (RH-7662)
Added prefix characters "!&" that temporarily disable History locking in a command session. (RH-56397)
Supports snapping to SubD vertices. (RH-76098)
Added IgnoreAnnotations=Yes/No option to SelChildren command. (RH-63113)
Editing control points of an angular dimension updates its position in history record. (RH-80816)

Inset:

Supports surfaces and polysurface faces. (RH-71652)
Added ThroughPoint, Loose, IgnoreSeams, Split, and JoinOutputs options for surface input. (RH-73007)
SubD input allows toggling between group and single mode when setting inset distance. (RH-72205)

InterpCrv: StartTangent and EndTangent are made always visible (only work when Degree=3 and SubDFriendly=No). (RH-67010)

Join:

Naked mesh vertices within absolute tolerance will be aligned. (RH-64649)
Automatically removes all micro naked edges (naked points). (RH-68896)

Keyboard shortcuts:

Ctrl(CMD)+R cycles through Auto CPlane alignment modes. (RH-71532)
Ctrl(CMD)+1 toggles the locking state of the current Auto CPlane. (RH-71855)

Layer:

Added Change Object Layer and Copy Objects to Layer buttons to Layers panel. (RH-3070), (RH-72937)
Added StatusBarLayerPaneWidth advanced setting. (RH-48368)
Added search box to Layers panel. (RH-56866)
Removed "Layer name" from column header list to avoid all columns being turned off. (RH-55637)
Uses Natural sort order when sorting layer names. (RH-24829)
While editing a layer name, pressing Insert key adds a new layer. (RH-69434)
Allows creating a new layer or sublayer with a random color assigned. Details... (RH-4978)
Allows assigning random colors to existing layers. Details... (RH-4978)
Added Section Style setting. (RH-65947)
Added tooltips to column headers. (RH-67004)
Added This Layout and All Layouts options to Layer On/Off in This/Selected Detail Only on layer context menu. (RH-71009)
Allows turning on/off more than one column at a time on column header list. (RH-72584)
View layer settings button in Layers panel is replaced by Columns button. (RH-72887)
Added Model On setting (column) to control layer visibility only for model views. (RH-72482)
Added New Detail On setting to control default layer visibility in new details. (RH-71007)
Added "All Layer On" to the Tools (hammer) menu. (RH-66577)
Disabled Delete key in Layers panel for deleting layers. (RH-78615)
The material column displays the material thumbnail. (RH-51792)

LayerStateManager: Added Section Style and New Detail On checkboxes. (RH-76742)

Layout:

Added ShowLayoutDropShadow advanced setting that turns on/off shadow around a layout. (RH-3362)
Added number column to Layouts panel. (RH-61340)
Allows sorting layout list by name or size in Layouts panel. Details...(RH-67569)
Added first and third angle projection options for 4 view layout creation. (RH-10852)
Added descriptions to all Initial Detail Count numbers. (RH-73432)
Print button in Layouts panel supports printing multiple selected layouts. (RH-55300)
Added "Print" to context menu in Layouts panel. (RH-81187)
Added "New Detail" to context menu in Layouts panel.

Libraries:

New render content browser. (RH-38961)
Hides thumbnails when the size is set to 0%. Details... (RH-68488)
Added a search box to the panel. (RH-43417)
When computer is offline, materials, textures, and environments using online files cannot be used. (RH-62694)
Added a slider control for thumbnail size. (RH-38955)
Added Grid and List view mode buttons. (RH-68838)
Added context menu for render content assignment and operations. (RH-39690)
Added Show all files under current folder switch. (RH-69649)

Lights: Show quick settings in the Lights panel when a lighting source is selected.

Make2D:

First angle projection is changed to create side view from left view instead of right view. (RH-56698)
Clipping fill treated as surface when creating 2D drawings from shaded display modes. (RH-33007)

MatchMeshEdge: Added AverageVertexesToAdjust and Join options. (RH-62525)

MatchProperties:

Added Attribute User Text and Section Style options. (RH-45604)(RH-67318)
Right-clicking a checkbox enables only the option in the same group. (RH-53850)

MatchSrf: Shows control points of the previewed surface if the surface has control points turned on. (RH-74233)

MergeAllCoplanarFaces: Added command-line feedback for the result. (RH-72213)

Mesh:

Allows saving presets for detailed NURBS meshing parameters. Details...
NURBS meshing presets can be shared among document mesh properties, object custom mesh, Mesh command, mesh file export, and surface analysis commands.
NURBS meshing presets can be exported to other computers.
Added "Restore Defaults" button to mesh option dialogs. (RH-74771)

Mesh Boolean commands

Use new mesh intersector.
Create Ngons along trimmed edges.
Display progress on status bar. (RH-72492)

MeshOutline: Works with meshes generated by Displacement, ShutLining, EdgeSoftening, Thickening, CurvePiping. (RH-67451) (RH-67654)

MeshToNURB: Added UseNgons option. (RH-44873)

Mirror: Added Object option for attaching mirror plane to a planar surface with History. (RH-65165)

Move: Allows pressing Enter to move from object bounding box center. (RH-118)

Mouse: Added DisableRightClickAsEnter advanced setting. (RH-20644)

MultiPipe: Tuned up options and added preview. (RH-61514)

NonManifoldMerge: Applies layer assignment rules from BooleanUnion command for output objects. (RH-71917)

Notes:

Pays attention to text size setting of command prompt. (RH-67677)
Added "Locked" checkbox for locking text in the Notes panel. (RH-74718)

Nudge Key: Added NURBS surface remesh toggle and timing settings to Advanced settings. Details... (RH-80251)

Offset:

Connected curve/edge segments can be offset as one polycurve by pre-selection. Details... (RH-69799)
Able to create more than one closed region when the offset curve intersects to itself. (RH-18055)
Interactively previews the result in command session. (RH-72893)

OffsetCrvOnSrf:

Allows clicking left mouse button at anywhere to flip offset direction. Details... (RH-53692)
Uses picked location on surface as initial offset direction. (RH-73619)

OffsetMultiple: Added Loose option. (RH-63417)

OffsetNormal: Made not to add extra knots when input is an edge of base surface. (RH-67883)

OffsetSrf: Added ThroughPoint option. (RH-61497)

Options:

When middle mouse button is set to pan the view, allows pressing Shift to rotate the view. Details...(RH-59583)
Improved the messages when changing model/layout unit system. (RH-73876)
Added a setting to show or hide Gumball tooltips. Where? (RH-74548)
Allows Middle mouse button to popup a container. Details... (RH-72343)

Object Snap:

Geometry generated by ClippingPlane can be snapped. (RH-39927)
Snapping to point clouds and polygon meshes is made faster. (RH-62484)
Percentage snap can be enabled when mouse picking is constrained on a curve. (RH-65989)
Use object tree to improve speed and visibility test for huge models (100k+ objects). (RH-66465)

Ortho:

Displays hash marks in viewports to indicate the current ortho angle. (RH-72108)
Added Snap to CPlane Z setting to the Ortho pane menu on the status bar. (RH-72108)
Added Ortho Snap to CPlane Z setting to Modeling Aids options. (RH-73034)

PackageManager:

Updates installed packages automatically in the background. (RH-69794)
Double-clicking on a .yak file now starts Rhino and installs the package. (RH-73482)
Updates plug-ins installed by RHI files (Rhino Installer Engine). (RH-59627)

Panels:

Updated to use SVG icons. (RH-64092)
Made search box in panels more discoverable and friendly. (RH-69333)
Added Linetypes panel to show document linetype definitions. (RH-73485)

Paste:

Supports pasting objects from AutoCAD. (RH-69984)
Added "Paste as plain text" to context menu of Command-line. (RH-69168)

Print:

Vector output is able to print Picture planes with internal holes. (RH-63987)
Print multiple layouts to multiple images. (RH-75932)
Vector output supports printing Technical viewport to PDF. (RH-11615)
Rhino PDF as printer allows printing with layout size instead of single paper size. Details... (RH-77235)
Rhino PDF as printer allows saving layouts as individual PDF files. (RH-76192)
Added checkbox list for printing multiple layouts.
Allows printing linetypes with model or page units when a linetype is set to use a physical width, e.g., 2mm. Details... (RH-73357)

PointCloud: Proceeds steps of adding/removing points when a single PointCloud is pre-selected. (RH-72393)

PointDeviation:

Shows red numbers when invalid distances are entered. (RH-67859)
Accepts SubD as object to measure (analysis mesh vertices are used). (RH-67195)

Print: Added Apply Display Mode Scales setting for print width. (RH-80258)

PrintDisplay:

Line thickness in model viewports is based on model unit instead of screen pixels. (RH-2131)
The Thickness option is replaced by the Scale option. (RH-2131)
Added Viewport=Model/Layout and Scope=Global/Document options. (RH-65978)

PrintDisplay: Added DetailBorder option to control visibility of detail view borders in layout viewports. (RH-74306)

ProjectToCplane: Works with insertion points of block instances. Details... (RH-68676)

Properties:

Added object level linetype scale setting. (RH-66220)
Added Section Style setting. (RH-65946)
Added By Material to Display Color setting. (RH-45462)
Made it possible to edit properties of objects in block definitions by sub-object selection. (RH-69724)
Properties: Prompts to clear per-face colors when setting per-object color. (RH-71541)
Changed how custom color is selected for display color and print color. (RH-71275)
Shows detail name (viewport title) on Detail View page. (RH-71982)
Added Unset Color option for display color when sub-object is selected. (RH-71721)
Added Block Instance page to object properties. (RH-58041)
Panel title bar displays the name of selected sub-panel. (RH-74543)
Shows tooltip for long object name. (RH-53492)
Shows Surveyor's Units for line segments when Model units is Feet and Distance display is Decimal. Details... (RH-4854)

Pull: Loose=Yes supports mesh as target. (RH-70263)

Purge: Command options are moved to a dialog box. (RH-73964)

Rebuild:

Accepts sub-object selected polycurve segments. Details... (RH-67884)
Calculates maximum deviation when using a master curve. (RH-66724)

RebuildEdges: Now removes micro naked edges. (RH-80666)

RefitTrim:

Added CreateBeziers, EditKnots and Degree options. (RH-69074) (RH-71629)
Displays max deviation (in command-line) between the new and original edges. (RH-58993)
Allows previewing the resulting surface. (RH-58993)
Keeps the trimmed edge on the opposite side. (RH-59087)
Added Automatic option when editing knots. (RH-71684)
Added ShowGrips option. (RH-76685)

RemoveMultiKnot:

Made working on degree 1 curves and surfaces. (RH-67873)
Added RemoveFullyMultipleKnots option for removing kinks. (RH-40309)

Rendering:

Added tooltips for Raytraced display mode HUD icons. (RH-39587)
Thickness, EdgeSoftening, and ShutLining can be applied on top of CurvePiping. (RH-32693)
Added Choose existing to the new material/environment/texture menu. (RH-69826)
Allows replacing top-level material, environment, or texture with another one of the same type. Where... (RH-71801)
Added "Disable" option to Texture Bake Quality settings in Render properties. (RH-66234)
Added rendering device state indicator. (RH-78682)
Added "Recompile kernels" and "Show compile log" buttons (RH-78682)
Linetype width and taper values multiply radius of curve piping mesh. (RH-74043)
Clipping planes now clip geometry but not lighting. (RH-75825)

Rendering Decals: Added visibility toggle. (RH-61127)

Rendering Environments:

Added usage indication icons to thumbnails. Details... (RH-71113)
Displays a red exclamation icon on thumbnails to indicate missing external images. Details... (RH-41903)
Adds duplicated environment next to the source environment in the list. (RH-71587)

Rendering Materials:

Custom material hides IOR setting when transparency is 0%. (RH-38733)
Preview thumbnail can be viewed from underside. (RH-69178)
Added Show original image checkbox to bitmap texture settings. (RH-67196)
Added Show only materials used by selected objects filter to menus. (RH-71615)
New Blend material type. (RH-71814)
Added usage indication icons to thumbnails. Details... (RH-71113)
Displays a red exclamation icon on thumbnails to indicate missing external images. Details... (RH-41903)
Adds duplicated material next to the source material in the list. (RH-71587)

Rendering Textures:

Added Show only textures used by selected objects filter to menus. (RH-71967)
Procedural textures will not pixelate in Rendered and Raytraced display modes when zooming close to the object. Details... (RH-59029)
The Raytraced display mode updates instantly when editing procedural textures. (RH-59029)
Renamed Add and Multiply textures to Addition and Multiplication. (RH-71574)
Limit slider range of Saturation to 2.0 and Gamma to 3.0. (RH-76362)
Adds duplicated texture next to the source texture in the list. (RH-77908)

ReplaceBlock: Added BlockDefinitionName option to make selecting replacement block scriptable. (RH-72651)

RotateView: Added RotateViewAroundObjectAtMouseCursor advanced setting. (RH-68058)

RunPythonScript: Supports Python 3. (RH-72524)

Scale1D: Accepts 0 for scale factor to flatten objects. (RH-67702)

Section:

Added History support. (RH-63178)
AssignLayersBy option is replaced by AssignProperties. (RH-65950)
Added Output=All/CurveOnly options. (RH-65950)
Creates hatches based on input object's section style properties. (RH-65950)

Section Tools: Added to Rhino 8. (RH-70914)

Selection:

Allows Select command to add more objects when some objects are pre-selected. (RH-68170)
Cage control polygons are made selectable. (RH-65792)
Double-clicking a cage control polygon selects a row of cage points. (RH-65793)
Ctrl(CMD)+Shift+double-clicking a selected SubD/Mesh vertex deselects the entire chain. (RH-68403)
Use object tree to improve picking speed and visibility test. (RH-66500)
Divided edge loops can be deselected separately. (RH-68974)
Ctrl(CMD)+window/crossing selection deselects sub-objects in command session. (RH-69256)
Ctrl(CMD)+window/crossing selection deselects sub-objects in pre-selection. (RH-68023)
Double-click or Ctrl (CMD) + double-click on a curve to select or deselect all the curves connected with tangent continuity. Details... (RH-69294) (RH-70233)
Renamed "Allow window selection of sub-objects" option to "Allow selection of sub-objects". (RH-73606)
Grouped objects pay attention to "Allow selection of sub-objects" option. (RH-73606)
Sub-object selection selects objects in block instances through nesting levels. (RH-72485)
SelBoundary command supports selecting hatches. (RH-74414)
SelBoundary command allows pre-selection of boundary curve. (RH-74455)
Uses acceleration tree for speeding up point cloud picks. (RH-75190)
SelectBlockToMatch option in scriptable SelBlockInstanceNamed command works with pre-selection. (RH-75005)
Scriptable SelBlockInstanceNamed command reports selection quantity. (RH-75084)
Added Window/Crossing/InvertWindow/InvertCrossing options to SelVolumeObject command. (RH-1759)
SelKey, SelValue, and SelKeyValue commands support wildcards: "*", "?", and "~". Details... (RH-54830) (RH-80384)

Selection Filter:

Automatically disabled after four failed clicks. (RH-71787)
Changed to a tabbed panel. (RH-71962)

SelChain: Allows view manipulation when selection menu appears. (RH-75789)

SelMeshEdges: Added by Naked option. (RH-66383)

SelNakedMeshEdgePt: Made not to turn on control points. (RH-78653)

SelName: Hides <No name> in the list when every object in viewports has a name. (RH-69167)

SetPt: Works with insertion points of block instances. Details... (RH-68593)

ShowEdges: All Edges option shows SubD sharp edges. (RH-73322)

ShowSelected: Made not to generate render meshes for objects that have not been shaded. (RH-1217)

Sketch: Added Undo option in command session. (RH-66610)

Smooth: Allows viewport manipulation under Smooth options dialog box. (RH-72071)

SoftTransform: Keeps locked SubD vertices, edges, and faces at their positions. Details... (RH-61808 (RH-68524)

SpaceMouse: Made not to move Turntable axis. (RH-71438

SplitFace:

Asks for drawing a polyline to split instead of a split axis (line). (RH-70856)
Added Mode=Pull/Project options. (RH-70867)
Added Degree and Close options. (RH-70894)
Added IsoCurves option and renamed Curves option to SelCurves. (RH-33456)
Pays attention to SmartTrack active points. (RH-75743)

Squish:

Improved the feedback on squished mesh edges and triangles. (RH-68187)
Option changes - Renamed Decorate to DecorateEdgeLengths, and added DecorateAreas. (RH-68187)

Status bar:

Info pane reports open/closed status if all selected objects are the same type. (RH-65846)
Added Auto CPlane pane. (RH-71444)
Added left and right sidebar toggle buttons. Where... (RH-72998)

Stretch: Changed to match the workflow of the Scale1D command. (RH-3767)

Sun: Uses current local date and time by default. (RH-80940)

Surface Analysis commands: Allows adjusting SubDs meshing level.

Templates: Perspective viewport uses Shaded display mode by default. (RH-70700)

TextField:

Added BlockDescription and renamed BlockInstanceName to BlockName. (RH-65750)
Made all functions that require selecting an object evaluate the result in the dialog. (RH-65779)
Added ObjectPageName function. (RH-72021)
Added ObjectPageNumber function. (RH-72868)

TextObject: Group output makes each letter or symbol a group nested in the text group. (RH-62135)

Texture Mapping: Fits mapping size individually when multiple objects are selected. (RH-61516)

ToNURBS: Added ExtraordinaryVertex=G1xx SubD option to improve Zebra analysis. (RH-61653)

Toolbar:

Default toolbars can be updated by installing new versions. (RH-54125)
Button icons use SVG images.
Added Recently Used toolbar. (RH-68775)
New Button Editor. (RH-67088)
The ToolbarReset command is made an alias of the new Reset command.
PopupToolbar command work with containers. (RH-73445)
Middle mouse button can pop up containers. Details... (RH-73445)
Image Editor draws Scalable Vector Graphics. (RH-72728)

Trim: Mesh edges and SubDs can be selected as cutting objects. (RH-71974)

TweenCurves: Limits SampleNumber to 9999 when MatchMethod=SamplePoints. (RH-66430)

Undo:

Keeps sub-object selection. (RH-59423)
Works with Gumball relocating actions. (RH-74403)

Unwrap:

Added AngleBased unwrapping method using Angle Based Flattening (ABF++) algorithm. (RH-42693)
Added AsRigidAsPossible unwrapping method using As-Rigid-As-Possible (ARAP) algorithm. (RH-62585)
Removed PreviousSeamSelection option and improved editing of seams. (RH-73965)
Occludes highlighted seams according to active display mode. (RH-73491)

UVEditor:

UV Editor has been completely redesigned and displays in a separate viewport. (RH-55495)
Added Reset zoom and Capture to clipboard buttons. (RH-55495)
Added Repeat Texture checkbox. (RH-71655)
Added "Pack texture meshes" button. (RH-72257)
Allows displaying all UV meshes, or only the UV meshes with textures. (RH-72877)
UV meshes with/without textures display different colors. (RH-71656)

User Text: Allows double-clicking the fx icon to edit a text field. (RH-65778)

VariableOffsetSrf: Add Solid option. (RH-71216)

Viewport Properties:

Added UseCameraTarget and Distance options for setting focal distance of Focal Blur. (RH-64604)
Viewport size can be set larger than Rhino window. (RH-59260)

Volume: Added Liter and Decimeter units to command-line. (RH-58062)

Weight: Allows editing control point weight of a SubD-friendly curve (outcome is a normal curve). (RH-53388)

Zoom:

DollyZoom and ZoomLens commands allow typing lens length. (RH-70130)
Added ZT as an alias of '_Zoom _Target. (RH-73848)
Zoom selected includes clipping plane widgets. (RH-75519)

UI changes

Options:

Cycles page is renamed to Rhino Render. (RH-70071)
Crosshairs setting is moved to Modeling Aids > SmartTrack and Guides. (RH-73277)
OSnap: Docks on the left by default. (RH-70270)

Menu: "Dimension" menu is renamed "Drafting". (RH-73668)

Viewport:

Draws parallel viewport camera widget as a box instead of a pyramid. (RH-70675)

Mesh:

Reordered detailed NURBS meshing parameters based on the meshing process. (RH-66829)
New meshing dialogs. (RH-68979)

BlockManager: Is changed from a dialog box to a panel called Block Definitions.

UVEditor: Only shows mapping channel command-line in the scriptable command. Details... (RH-70931)

Dark Mode: Rhino UI color scheme switches between light and dark modes based on system color settings. (RH-71399)

NamedView: Removed "Lock named view" setting.(RH-69049)

Changed text buttons in Linetypes document properties to icon buttons. (RH-80449)

File formats

3DM:

Rhino 8 saves a new 3DM format. (RH-64159)
Added an advanced setting for removing the extra dot in locking file extension [.3dm.rhl]. Details... (RH-77475)

3MF Import/Export:

Updated to use 3MF SDK 2.1.1. (RH-64392)
Added custom metadata to 3MF export. (RH-81320)

DGN import: Supports reading reference files. (RH-54202)

DWG/DXF Export:

Allows exporting bad curves and displays warning messages in command-line. (RH-69019)
Supports writing AutoCAD 2010, 2013, & 2018 files. (RH-77297)
Added AcadExportSelectUnexportableObjects to Advanced settings to highlight skipped objects. (RH-77693)
Added AcadExportSortLayers (True by default) and AcadExportWriteEmptyLayers (False by default) advanced settings. (RH-78977)

DWG/DXF Import:

Added VerboseOutput command-line option. (RH-64913)
Added ability to repair or skip bad mesh faces. (RH-68804)
Supports reading variant instances of a dynamic block as separate static block definitions. (RH-51073) (RH-71325)
Supports reading groups. (RH-15122)
Supports 4, 8, 12 for DimZin variable. (RH-80400)

DWG/DXF Import/Export:

Named CPlanes in Rhino and Named UCS in AutoCAD are exchangeable. (RH-71282)

Supports saving and reading groups. (RH-77296)

FBX: Updated FBX SDK to 2020.3.1. (RH-68759)

FBX Import: Added Map FBX Y to Rhino Z option. (RH-38175)

OBJ Export:

Added options for exporting polylines. Where... (RH-64427)
Added color number format settings for exporting vertex colors. (RH-69614)

PDF Import:

Added an option to import line weight. (RH-64366)
Added Show missing fonts dialog checkbox to import dialog. (RH-70107)

SKP Export: Exports named views to SketchUp. (RH-74217)

SKP Import: Added Use group layers and Add objects to groups options. (RH-65420)

STEP Export:

Improved saving to cloud storage folders and paths with Asian characters. (RH-64664)
Added AP242 schema. (RH-67665)
Supports saving circular entities. (RH-72940)

SVG Export:

Pays attention to linetype cap and join styles. (RH-65287)
Writes exact circles and arcs. (RH-59391)
Writes layers as group tags. (RH-38196)
Supports saving multiple or all layouts as separate .svg files. (RH-76049)

SVG Import/Export: Curves, fills (hatches), and text can be copy-pasted between Rhino and Inkscape. (Experimenting feature) (RH-66434)

Open/Save: Added AlwaysDisplayAllFiletypes advanced setting to reset file type when reading or writing files. (RH-66384)

AutoCAD: Objects can be copied and pasted between Rhino and AutoCAD. (RH-69984) (RH-70128)

Import/Export dialogs hide the file formats if their plug-ins are disabled. Details... (RH-70195)

Supports GL Transmission Format (.glb, .gltf) import and export. Details... (RH-72470)

TXT Export: Rounding numbers when saving Points (*.txt) file type. (RH-78573)

SOLIDWORKS Import: Supports version 2024. (RH-80657)

WAMIT Export: Shows failure message when export encounters invalid meshes. (RH-80729)

Grasshopper

Added Delete input after solve toggle to the Get Geometry component. (RH-60296)

Slider animation is allowed to use up to 1 million frames. (RH-66757)

Grasshopper is made an AppWindow. (RH-64779)

Added Adjust Defaults > Make Font Global menu item in panels for copying current font to all panels. (RH-56400)

Added GH_PointCloud and Param_PointCloud types. (RH-69929)

Get Geometry component supports output PointCloud data. (RH-70207)

Added Object Display Mode component. (RH-70330)

Added Clamp component to control minimum/maximum values. (RH-70933)

Added Export Model Block Definition component. (RH-70956)

Added Custom Curve Preview component to Display > Preview. (RH-71729)

Added pen styles to Model Linetype component. (RH-71728)

Added User Text component to Object Attributes category. (RH-71727)

Added ShrinkWrap component. (RH-70958)

Added Named Group component. (RH-73453)

Added Point Cloud Attributes component. (RH-75794)

Added Reduce Point Cloud component. (RH-75795)

Added Point Cloud Closest Point component. (RH-75796)

Added Point Cloud Contour component. (RH-75858)

Added Point Cloud Section component. (RH-75587)

Added Transpose Surface and Reverse Surface components. (RH-77254)

"Explode Block Instance" component is changed to "Explode Objects" and works on all geometry types (except groups). (RH-76106)

Added third party plug-in information to GH document if a component is used. (RH-78613)

Added new datatype for Lights. (RH-79341)

Added serialization to GH_Number param to read/write AngleParameter property. (RH-80595)

Added runtime warning to Explode component for invalid geometry. (RH-81317)

Obsoletes

JoinCurves option is removed from Section and Contour commands. (RH-68953)

Display: Removed Use lights on layers that are off option from display mode settings. (RH-67161)

Removed Print from File menu in Render Window. (RH-70368)

UVEditor: Removed FitLargeUVs option. (RH-71706)

RPC plug-in is removed. (RH-71496)

ZCorp (.zpr) file import and export are discontinued. (RH-75662)