Curves Workbench
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Introduction
The Curves workbench is an External workbench that is Python based with a collection of tools for NURBS curves and surfaces. This workbench is developed with FreeCAD Master and OCC 7.4.
Note: Some tools may not work with earlier versions.
Installation
Download the Curves workbench via the 
Addon Manager. Select the Tools → Addon Manager option from the menu.
References
- Developer: @Chris_G
- Github: https://github.com/tomate44/CurvesWB
- Discussion: https://forum.freecadweb.org/viewtopic.php?f=8&t=22675
- YouTube tutorial using curves workbench: https://www.youtube.com/watch?v=ZVdbvxmJ3Mo
- Dailymotion tutorial, tide bottle, demoing curves workbench: https://www.dailymotion.com/video/x6bo9a6
Tools
Curves Line: Create a parametric line between two vertices.
Curves EditableSpline: Create a freehand B-Spline curve.
Curves ExtendCurve: Extends the selected edge.
Curves JoinCurve: Joins the selected edges into BSpline Curves.
Curves SplitCurve: Splits the selected edge.
Curves Discretize: Discretize an edge or a wire.
Curves Interpolate: Interpolate points with a BSpline curve.
Curves ParametricComb: Creates a parametric Comb plot on selected edges.
Curves ZebraTool: Zebra texture for surface inspection.
Curves ParametricSolid: Make a parametric solid from selected faces.
Curves IsoCurve: Create an IsoCurve from a face.
Curves SketchOnSurface: Map a sketch on to a surface.
Curves ProfileSupport: Creates a support plane for sketches.
Curves PasteSVG: Pastes the SVG content of the clipboard.
Curves PipeshellProfile: Creates a Profile object for PipeShell.
Curves Pipeshell: Creates a Pipeshell sweep object.
Curves GordonSurface: Creates a surface that skins a network of curves.
Curves SegmentSurface: Segment a surface on isocurves.
Curves ToConsole: Moves objects to the console.
Curves CompressionSpring: Creates a compression spring.
Curves ReflectLines: Creates the reflect lines on a shape, according to a view direction.
Curves MultiLoft: Loft profile objects made of multiple faces in parallel.
Curves
- Curves IsoCurve, Curves JoinCurve, Curves ParametricComb, Curves ParametricSolid, .................
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