Sketcher ConstructionMode
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Sketcher
User documentation
Outdated translations are marked like this.
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| Menyplacering |
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| Sketch → Skissgeometrier → Toggle construction geometry |
| Arbetsbänkar |
| Sketcher |
| Standard genväg |
| Ingen |
| Introducerad i version |
| - |
| Se även |
| Ingen |
Description
This tool toggles sketch geometry from/to construction mode. It can be used on any type of geometry: line, arc or circle.
Construction geometry is an important tool of the sketcher. When using a sketch for a 3D operation, construction geometry is ignored.
In 
Edit sketch, construction geometry is shown as blue, and won't turn green when a sketch is fully constrained. Once you 
Leave sketch, construction geometry is hidden in the 3D view.
Construction lines can be used as rotation axis by the 
PartDesign Revolution feature.
Usage
There are two ways of using this tool:
- Without having anything selected in the 3D view:
- Invoke construction mode by clicking on the
Toggle construction or by using the Sketch → Sketcher geometries → Toggle construction geometry entry in the Sketcher menu. - This will change the color for creating new geometric elements to blue.
- Newly created geometric elements will now be created in construction mode.
- Invoke construction mode by clicking on the
- With one or more geometric elements selected in the 3D view
- Invoke the Sketcher ToggleConstruction tool by clicking on the Toggle construction or by selecting it from the menu
- The selected elements will now be changed to construction mode.
- Afterwards newly created elements will again be normal geometry.
- Invoke the Sketcher ToggleConstruction tool by clicking on the
Example
Use Construction mode on some sketch elements,
and once you leave the sketcher editing mode, geometry that was turned into construction have become invisible in the 3D view (but are still present in the Sketcher editing mode).
Notes
Create Point will always create points in construction mode regardless of the toolbar toggle state, select the desired points in the 3D view after creation and click Toggle construction to change them to normal geometry. introduced in version 0.19
Sketcher
- The tools: New sketch, Edit sketch, Leave sketch, View sketch, View section, Map sketch to face, Reorient sketch, Validate sketch, Merge sketches, Mirror sketch
- Sketcher geometries: Point, Line by 2 point, Create an arc, Arc, Arc by 3 Point, Create a circle, Circle, Circle by 3 Point, Create a conic, Ellipse by center, Ellipse by 3 points, Arc of ellipse, Arc of hyperbola, Arc of parabola, Create a B-spline, Create B-spline, Create periodic B-pline, Polyline (multiple-point line), Rectangle, Create regular polygon, Triangle, Square, Pentagon, Hexagon, Heptagon, Octagon, Create Regular Polygon, Slot, Fillet, Trimming, Extend, External Geometry, CarbonCopy, Construction Mode
- Sketcher constraints
- Geometric constraints Coincident, Point On Object, Vertical, Horizontal, Parallel, Perpendicular, Tangent, Equal Length, Symmetric, Constrain Block
- Dimensional constraints Lock, Horizontal Distance, Vertical Distance, Distance, Radius, Internal Angle, Snell's Law, Internal Alignment, Toggle reference/driving constraint,
- Sketcher tools Select solver DOFs, Close Shape, Connect Edges, Select Constraints, Select Origin, Select Vertical Axis, Select Horizontal Axis, Select Redundant Constraints, Select Conflicting Constraints, Select Elements Associated with constraints, Show/Hide internal geometry, Symmetry, Clone, Copy, Move, Rectangular Array, 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, Convert Geometry to B-spline, Increase degree, Increase knot multiplicity, Decrease knot multiplicity
- Sketcher virtual space Switch Virtual Space
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, Draft, FEM, Image, Inspection, Mesh, OpenSCAD, Part, PartDesign, Path, Points, Raytracing, Reverse Engineering, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Deprecated or unmaintained workbenches: Complete, Drawing, Robot
- Hubs: User hub, Power users hub, Developer hub
