Inventor ACU key terms
Inventor ACU · Get comfortable with the vocabulary.
- Ribbon
- Related: Browser, Application Options
The horizontal band of tabs and panels at the top of the application window that groups commands by task, such as Sketch, Annotate, and Manage.
- Browser
- Related: Feature, Ribbon
The paneled tree at the left of the window listing every feature, sketch, work plane, and component in the open file, in the order they were created.
- ViewCube
- Related: Navigation Bar, Home View
A clickable cube in the graphics area corner used to rotate the model to standard or isometric views and to return to the home orientation.
- Navigation Bar
- Related: ViewCube
A floating toolbar providing zoom, pan, orbit, and look-at tools so the model can be inspected from any angle without changing the geometry.
- Application Options
- Related: Document Settings
A dialog of program-wide settings covering file locations, sketching behavior, display appearance, and general preferences that apply to every document you open.
- Document Settings
- Related: Application Options, Project File
A dialog of settings stored with the current file, such as units, sketch grid spacing, and modeling defaults, which travel with the document.
- Project File
- Related: Document Settings, Assembly Constraint
A file that defines which folders, libraries, and workspaces are visible to the software, letting teams standardize where parts, assemblies, and drawings are stored and resolved.
- Feature
- Related: Browser, Sketch
A single modeling operation recorded in the browser, such as an extrusion, hole, fillet, or shell, which can later be edited, reordered, or suppressed.
- Sketch
- Related: Geometric Constraint, Dimension Constraint
A 2D profile of lines, arcs, and curves drawn on a plane or face that serves as the input geometry for most solid modeling features.
- Geometric Constraint
- Related: Dimension Constraint, Fully Constrained Sketch
A rule that fixes the relationship between sketch entities, such as horizontal, vertical, parallel, tangent, or coincident, without setting a numeric value.
- Dimension Constraint
- Related: Geometric Constraint, Fully Constrained Sketch
A driving value placed on sketch geometry, such as a length, radius, or angle, that sets its size and can be edited to change the shape.
- Fully Constrained Sketch
- Related: Geometric Constraint, Dimension Constraint
A sketch whose entities can no longer be dragged because constraints and dimensions together remove every degree of freedom remaining in the profile.
- Construction Geometry
- Related: Sketch, Work Plane
Sketch lines and circles marked as reference-only, which help position real geometry or define axes of symmetry but are ignored when a profile is used.
- Profile
- Related: Sketch, Extrude
One or more closed loops of sketch geometry selected to create or cut material, where open loops can also be used for thin-walled results.
- Work Plane
- Related: Work Axis, Sketch
An infinite reference plane that can be created offset from, angled to, or tangent to existing geometry and used to host sketches or define directions.
- Work Axis
- Related: Work Plane, Pattern
An infinite reference line used to define rotation, alignment, or pattern directions, often created through two points or along an existing cylindrical face.
- Extrude
- Related: Revolve, Profile
A feature that pushes a closed profile along a straight direction, either adding material or removing it, with options for distance, taper, and direction.
- Revolve
- Related: Extrude, Work Axis
A feature that sweeps a profile around an axis through a specified angle, producing turned shapes such as shafts, pulleys, and hubs.
- Sweep
- Related: Loft, Profile
A feature that moves a profile along a chosen path, useful for rails, handles, and tubes, optionally with twist or scaling along the route.
- Loft
- Related: Sweep, Work Plane
A feature that blends two or more profiles on different planes into a smooth transitional solid, optionally guided by rails or centerlines.
- Hole Feature
- Related: Pattern, Extrude
A placed cylindrical cut defined by type, diameter, depth, and termination, which can include countersink, counterbore, or tapped thread specifications.
- Fillet
- Related: Chamfer, Shell
A rounded transition applied to an edge or corner, defined by a radius that reduces stress concentration and softens sharp geometry.
- Chamfer
- Related: Fillet
A beveled cut applied along an edge, defined by a distance, distance-and-angle, or two distances, often used to break sharp corners.
- Shell
- Related: Fillet, Feature
A feature that hollows a solid by removing one or more selected faces and leaving walls of a specified uniform or varied thickness.
- Pattern
- Related: Mirror, Work Axis
A feature that repeats selected geometry in a rectangular, circular, or path-driven arrangement, with control over count, spacing, and direction.
- Mirror
- Related: Pattern, Work Plane
A feature that copies selected geometry across a plane or face, optionally merging the result with the original body.
- Parameter
- Related: Feature, Document Settings
A named value, such as a dimension or angle, that can be referenced in equations so that edits propagate automatically through the model.
- Assembly
- Related: Assembly Constraint, Degrees of Freedom
A document that brings multiple part and subassembly files together and positions them relative to one another using constraints or joints.
- Component
- Related: Assembly, Grounding
A single part or subassembly instance placed inside an assembly, listed in the browser and carrying its own position and visibility state.
- Assembly Constraint
- Related: Degrees of Freedom, Grounding
A rule that limits how two components can move relative to each other, using mate, flush, angle, tangent, or insert relationships.
- Degrees of Freedom
- Related: Assembly Constraint, Grounding
The remaining independent motions a component can still make, such as sliding or rotating, which constraints remove until the part is fixed.
- Grounding
- Related: Degrees of Freedom, Component
A setting that locks a component in place so it cannot move, typically applied to the first part placed or to a fixed base in the design.
- Adaptive Part
- Related: Component, Assembly Constraint
A part whose geometry can resize based on the assembly context, allowing it to fit mating features that change in the parent assembly.
- Interference Check
- Related: Assembly, Component
An analysis tool that reports where solid bodies overlap or occupy the same space, helping catch fit problems before release.
- Drawing View
- Related: Base View, Title Block
A projected, sectioned, detail, or auxiliary representation of a part or assembly placed on a drawing sheet at a chosen scale and orientation.
- Base View
- Related: Drawing View, Projected View
The first view placed on a drawing sheet, which establishes the orientation and scale from which projected and child views are derived.
- Projected View
- Related: Base View, Drawing View
A view created by projecting geometry from an existing view along a chosen direction, typically placed to the side or below the parent view.
- Bill of Materials
- Related: Drawing View, Title Block
A tabular list of the parts and quantities used in an assembly, often placed on a drawing and linked to balloon callouts on the views.
- Title Block
- Related: Drawing View, Bill of Materials
A bordered area on a drawing sheet containing identifying information such as part name, drawing number, scale, and revision.