Sketcher ConstrainDiameter: Difference between revisions
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The [[Image:Sketcher_ConstrainDiameter.svg|24px]] [[Sketcher_ConstrainDiameter|Sketcher ConstrainDiameter]] tool fixes the diameter of circles or arcs. |
The [[Image:Sketcher_ConstrainDiameter.svg|24px]] [[Sketcher_ConstrainDiameter|Sketcher ConstrainDiameter]] tool fixes the diameter of circles or arcs. Diameter constraints cannot be applied to [[Sketcher_CreateBSpline#Notes|B-spline weight circles]]. |
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==Usage== <!--T:3--> |
==Usage== <!--T:3--> |
Revision as of 09:17, 8 March 2024
This documentation is a work in progress. Please don't mark it as translatable since it will change in the next hours and days.
Sketcher ConstrainDiameter |
Menu location |
---|
Sketch → Sketcher constraints → Constrain diameter |
Workbenches |
Sketcher |
Default shortcut |
K O |
Introduced in version |
0.18 |
See also |
Sketcher Constrain distance, Sketcher Constrain horizontal distance, Sketcher Constrain vertical distance |
Description
The Sketcher ConstrainDiameter tool fixes the diameter of circles or arcs. Diameter constraints cannot be applied to B-spline weight circles.
Usage
See also: Drawing aids.
Continue mode
- Make sure there is no selection.
- There are several ways to invoke the tool:
- Press the Constrain diameter button.
- Select the Sketch → Sketcher constraints → Constrain diameter option from the menu.
- introduced in version 0.22: Right-click in the 3D view and select the Dimension → Constrain diameter option from the context menu.
- Use the keyboard shortcut: K then O.
- Select the edge of a circle or arc.
- If a driving constraint is created, and the Ask for value after creating a dimensional constraint option is selected (default) in the Sketcher Preferences:
- A dialog opens to edit the constraint value.
- Press the OK button to confirm.
- A constraint is added.
- Optionally keep creating constraints.
- To finish, right-click or press Esc, or start another geometry or constraint creation tool.
Once-only mode
- Select the edge of one or more circles or arcs.
- Invoke the tool as explained above.
- Edit and/or confirm the constraint value as explained above.
- Depending on the selection one or more constraints are added, see Sketcher ConstrainRadius.
Scripting
Sketch.addConstraint(Sketcher.Constraint('Diameter', ArcOrCircle, App.Units.Quantity('123.0 mm')))
The Sketcher scripting page explains the values which can be used for ArcOrCircle
, and contains further examples on how to create constraints from Python scripts.
Sketcher
- General: Create sketch, Edit sketch, Map sketch to face, Reorient sketch, Validate sketch, Merge sketches, Mirror sketch, Leave sketch, View sketch, View section, Toggle grid, Toggle snap, Configure rendering order, Stop operation
- Sketcher geometries: Point, Line, Arc, Arc by 3 points, Circle, Circle by 3 points, Ellipse, Ellipse by 3 points, Arc of ellipse, Arc of hyperbola, Arc of parabola, B-spline by control points, Periodic B-spline by control points, B-spline by knots, Periodic B-spline by knots, Polyline, Rectangle, Centered rectangle, Rounded rectangle, Triangle, Square, Pentagon, Hexagon, Heptagon, Octagon, Regular polygon, Slot, Fillet, Corner-preserving fillet, Trim, Extend, Split, External geometry, Carbon copy, Toggle construction geometry
- Sketcher constraints:
- Geometric constraints: Coincident, Point on object, Vertical, Horizontal, Parallel, Perpendicular, Tangent, Equal, Symmetric, Block
- Dimensional constraints: Lock, Horizontal distance, Vertical distance, Distance, Radius or weight, Diameter, Auto radius/diameter, Angle, Refraction (Snell's law)
- Constraint tools: Toggle driving/reference constraint, Activate/deactivate constraint
- Sketcher tools: Select unconstrained DoF, Select associated constraints, Select associated geometry, Select redundant constraints, Select conflicting constraints, Show/hide internal geometry, Select origin, Select horizontal axis, Select vertical axis, Symmetry, Clone, Copy, Move, Rectangular array, Remove axes alignment, Delete all geometry, Delete all constraints
- Sketcher B-spline tools: Show/hide B-spline degree, Show/hide B-spline control polygon, Show/hide B-spline curvature comb, Show/hide B-spline knot multiplicity, Show/hide B-spline control point weight, Convert geometry to B-spline, Increase B-spline degree, Decrease B-spline degree, Increase knot multiplicity, Decrease knot multiplicity, Insert knot, Join curves
- Sketcher virtual space: Switch virtual space
- Additional: Sketcher Dialog, Preferences, Sketcher scripting
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub