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|Sketch → Sketcher geometries → Toggle construction geometry|
|Introduced in version|
This tool toggles sketch geometry from/to construction mode. It affects all geometry.
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.
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 geometry button 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.
- With one or more geometric elements selected in the 3D view
- Invoke the tool by clicking on the Toggle construction geometry button 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.
- 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 geometry to change them to normal geometry.
- General: Create sketch, Edit sketch, Map sketch to face, Reorient sketch, Validate sketch, Merge sketches, Mirror sketch, Leave sketch, View sketch, View section, 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, Periodic B-pline, 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, Diameter, Auto radius/diameter, Angle, 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
- 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, Inspection, Mesh, OpenSCAD, Part, PartDesign, Path, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub