Sketcher reference: Difference between revisions
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== Introduction == |
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User {{Emphasis|chrisb}} wrote a lengthy 70-page reference manual for the [[Sketcher Workbench|Sketcher Workbench]] that covers many topics of using this workbench. For inexperienced users, it is a gentle introduction that covers the basic usage of the Sketcher, and then goes into many details of creating geometrical elements, and using each type of constraint. |
User {{Emphasis|chrisb}} wrote a lengthy 70-page reference manual for the [[Sketcher Workbench|Sketcher Workbench]] that covers many topics of using this workbench. For inexperienced users, it is a gentle introduction that covers the basic usage of the Sketcher, and then goes into many details of creating geometrical elements, and using each type of constraint. |
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The manual is a work in progress, as some sections are reviewed and updated depending on the development occurring on the [[Sketcher Workbench|Sketcher Workbench]]. The original manual was written for FreeCAD 0.17, and it has since been updated for 0.18. The latest manual can be found in the forum thread, [https://forum.freecadweb.org/viewtopic.php?f=36&t=30104 Sketcher tutorial]. |
The manual is a work in progress, as some sections are reviewed and updated depending on the development occurring on the [[Sketcher Workbench|Sketcher Workbench]]. The original manual was written for FreeCAD 0.17, and it has since been updated for 0.18. The latest manual can be found in the forum thread, [https://forum.freecadweb.org/viewtopic.php?f=36&t=30104 Sketcher tutorial]. |
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[[File:Sketcher_reference.png]] |
[[File:Sketcher_reference.png]] |
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{{Caption|Example sketch in the reference manual}} |
{{Caption|Example sketch in the reference manual}} |
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== Contents == |
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The general structure of the manual is: |
The general structure of the manual is: |
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* Basics |
* Basics |
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** Placement and attachment offset |
** Placement and attachment offset |
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** Validate sketches |
** Validate sketches |
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[[Category:Tutorials]] |
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Revision as of 05:15, 25 February 2020
Introduction
User chrisb wrote a lengthy 70-page reference manual for the Sketcher Workbench that covers many topics of using this workbench. For inexperienced users, it is a gentle introduction that covers the basic usage of the Sketcher, and then goes into many details of creating geometrical elements, and using each type of constraint.
The manual is a work in progress, as some sections are reviewed and updated depending on the development occurring on the Sketcher Workbench. The original manual was written for FreeCAD 0.17, and it has since been updated for 0.18. The latest manual can be found in the forum thread, Sketcher tutorial.
Example sketch in the reference manual
Contents
The general structure of the manual is:
- Basics
- Create a sketch
- The Sketcher window
- General remarks on degrees of freedom
- Auto constraints
- Geometric elements
- Common usage
- Line
- Circle
- Arc
- Polyline
- Rectangle
- Polygon
- Slot
- B-splines
- Conical sections
- Construction geometry
- Point
- Constraints
- Selecting constraints
- Applying constraints
- The solver
- Coincidence
- Point on object
- Vertical
- Horizontal
- Parallel
- Perpendicular
- Tangency
- Equality
- Symmetry
- Block
- Lock
- Horizontal distance
- Vertical distance
- Length
- Radius and diameter
- Angle
- Dos and don'ts with constraints
- External geometry
- Creating objects based on sketches (to be written)
- Sketches for pads
- Symmetry
- Placement and attachment offset
- Validate sketches
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, Start, Surface, TechDraw, Test Framework, Web
- Hubs: User hub, Power users hub, Developer hub