Sketcher ConstrainDiameter: Difference between revisions
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==Usage== <!--T:3--> |
==Usage== <!--T:3--> |
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See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]]. |
See also: [[Sketcher_Workbench#Drawing_aids|Drawing aids]]. |
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===[[Sketcher_Workbench#Continue_modes|Continue mode]]=== |
===[[Sketcher_Workbench#Continue_modes|Continue mode]]=== <!--T:12--> |
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# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool. |
# To finish, right-click or press {{KEY|Esc}}, or start another geometry or constraint creation tool. |
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===Run-once mode=== |
===Run-once mode=== <!--T:13--> |
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# Select the edge of one or more circles or arcs. |
# Select the edge of one or more circles or arcs. |
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# Invoke the tool as explained above. |
# Invoke the tool as explained above. |
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# Depending on the selection one or more constraints are added, see [[#Notes|Notes]]. |
# Depending on the selection one or more constraints are added, see [[#Notes|Notes]]. |
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==Notes== |
==Notes== <!--T:15--> |
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* If [[Sketcher_ToggleDrivingConstraint|driving constraints]] are created and multiple elements that are not [[Sketcher_External|external geometry]] have been pre-selected, only the first of those receives a dimensional constraint, while between the first and the others [[Sketcher_ConstrainEqual|Equal constrains]] are applied. |
* If [[Sketcher_ToggleDrivingConstraint|driving constraints]] are created and multiple elements that are not [[Sketcher_External|external geometry]] have been pre-selected, only the first of those receives a dimensional constraint, while between the first and the others [[Sketcher_ConstrainEqual|Equal constrains]] are applied. |
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Latest revision as of 15:18, 23 April 2024
Sketcher ConstrainDiameter |
Menu location |
---|
Sketch → Sketcher constraints → Constrain diameter |
Workbenches |
Sketcher |
Default shortcut |
K O |
Introduced in version |
0.18 |
See also |
Sketcher ConstrainRadiam, Sketcher ConstrainRadius |
Description
The Sketcher ConstrainDiameter tool fixes the diameter of circles and arcs. It cannot be used for 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:
- introduced in version 1.0: If the Dimensioning constraints preference is set to
Single tool
(default): press the down arrow to the right of the button and select the Constrain diameter option from the dropdown. - If this preference has a different value (and in version 0.21 and below): press the Constrain diameter button.
- Select the Sketch → Sketcher constraints → Constrain diameter option from the menu.
- introduced in version 1.0: Right-click in the 3D view and select the Dimension → Constrain diameter option from the context menu.
- Use the keyboard shortcut: K then O.
- introduced in version 1.0: If the Dimensioning constraints preference is set to
- The cursor changes to a cross with the tool icon.
- Select the edge of a circle or arc.
- If a driving dimensional constraint is created, depending on the preferences, a dialog opens to edit its value.
- A constraint is added.
- Optionally keep creating constraints.
- To finish, right-click or press Esc, or start another geometry or constraint creation tool.
Run-once mode
- Select the edge of one or more circles or arcs.
- Invoke the tool as explained above.
- Optionally edit the constraint value.
- Depending on the selection one or more constraints are added, see Notes.
Notes
- If driving constraints are created and multiple elements that are not external geometry have been pre-selected, only the first of those receives a dimensional constraint, while between the first and the others Equal constrains are applied.
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