Part Spiral: Difference between revisions
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=== Data === |
=== Data === |
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{{TitleProperty| |
{{TitleProperty|Spiral}} |
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*{{PropertyData|Growth|Length}}: The growth of the spiral. This is the distance between the curves of the spiral. |
*{{PropertyData|Growth|Length}}: The growth of the spiral. This is the distance between the curves of the spiral. |
Revision as of 18:26, 22 February 2022
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Part Spiral |
Menu location |
---|
Part → Create primitives → Spiral |
Workbenches |
Part |
Default shortcut |
None |
Introduced in version |
0.14 |
See also |
Part Primitives |
Description
The Part Spiral command creates a parametric spiral shape.
FreeCAD creates a spiral, with default values for growth and radius. The number of rotations can be set too.
By default, the spiral is positioned with its start point on the x-axis with a distance of the radius from the origin (0,0,0). Its rotation is counterclockwise.
Usage
- There are several ways to invoke the command:
- Press the Create Primitives... button.
- Select the Part → Create Primitives → Create Primitives... option from the menu.
- Select the Spiral option from the menu.
- Set options and press Create.
- To close the dialog press Close.
Example
A Part spiral object with the values of the bottom scripting example are shown here.
Properties
See also: Property editor.
A Part Spiral object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:
Data
Spiral
- DataGrowth (
Length
): The growth of the spiral. This is the distance between the curves of the spiral. - DataRadius (
Length
): The radius of the spiral. This is the distance between the origin and the start point of the curve. - DataRotations (
Float
): The number of full 360° rotations of the spiral. The rotation direction is counterclockwise. - DataSegment Length (
Float
): The segment length of the spiral.
Scripting
A Part Spiral is created with the addObject()
method of the document.
spiral = FreeCAD.ActiveDocument.addObject("Part::Spiral", "mySpiral")
- Where
mySpiral
is the name for the object. The name must be unique for the entire document. - The function returns the newly created object.
The Label
is the user editable name for the object. It can be easily changed by
spiral.Label = "new mySpiralName"
You can access and modify attributes of the spiral
object. For example, you may wish to modify the growth, radius and rotations parameters.
spiral.Growth = 2
spiral.Radius = 3
spiral.Rotations = 4
You can change its placement and orientation with:
spiral.Placement = FreeCAD.Placement(FreeCAD.Vector(1, 2, 3), FreeCAD.Rotation(75, 60, 30))
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