PartDesign SubtractivePipe: Difference between revisions
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==Description== |
==Description== |
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'''Subtractive Pipe''' creates a subtractive solid in the active Body by sweeping one or more sketches (also referred to as cross-sections) along an open or closed path. Its shape is then subtracted from the existing solid. |
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{{Version|0.17}} |
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==Use== |
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==How to use== |
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# Click on [[Image:PartDesign SubtractivePipe.png|24px]] in the toolbar, or choose {{KEY|PartDesign}} → {{KEY|[[Image:PartDesign SubtractivePipe.png|24px]] Subtractive pipe}} from the main menu. |
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# Press the {{KEY|[[Image:PartDesign SubtractivePipe.png|24px]] '''Subtractive pipe'''}} button. |
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# In the '''Select feature''' dialog, select a sketch to be used as first cross-section and click {{KEY|OK}}. |
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#* Alternatively, a single sketch can be selected prior to pressing the Subtractive pipe button. |
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# In the '''Pipe parameters''' under '''Profile''', press the {{KEY|Object}} button. |
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# Select the sketch to be used as path in the 3D view: |
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#* Alternatively, edges of the body can be selected by pressing {{KEY|Add Edge}} and selecting edges in the 3D view. |
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# To use more than one cross-section, under '''Section transformation''' set the Transform mode to ''Multisection''; press {{KEY|Add Section}} then select a sketch in the 3D view. Repeat for each additional cross-section. |
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# Set options if needed and click {{KEY|OK}}. |
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==Options== |
==Options== |
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== |
==Properties== |
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* {{PropertyData|Label}}: name given to the operation, this name can be changed at convenience. |
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==Scripts== |
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* {{PropertyData|Refine}}: true or false. If set to true, cleans the solid from residual edges left by features. See [[Part RefineShape]] for more details. |
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* {{PropertyData|Sections}}: lists the sections used. |
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* {{PropertyData|Spine Tangent}}: true or false (default). True extends the path to include tangent edges. |
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* {{PropertyData|Auxiliary Spine Tangent}}: true or false (default). True extends the auxiliary path to include tangent edges. |
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* {{PropertyData|Auxiliary Curvelinear}}: true or false (default). True calculates normal between equidistant points on both spines. |
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* {{PropertyData|Mode}}: profile mode. See [[#Options|Options]]. |
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* {{PropertyData|Binormal}}: binormal vector for corresponding orientation mode. |
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* {{PropertyData|Transition}}: transition mode. Options are ''Transformed'', ''Right Corner'' or ''Round Corner''. |
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* {{PropertyData|Transformation}}: ''Constant'' uses a single cross-section. ''Multisection'' uses two or more cross-sections. ''Linear'', ''S-shape'' and ''Interpolation'' are currently not functional. |
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== |
==Limitations== |
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* Sketches used for cross-sections must form closed profiles. |
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==Notes== |
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* It is not possible to use a vertex as cross-section. |
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* A cross-section cannot lie on the same plane as the one immediately preceding it. |
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* To better control the shape of the pipe, it is recommended that all the cross-sections have the same number of segments. For example, for a pipe between a rectangle and a circle, the circle may be broken down into 4 connected arcs. |
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Available since FreeCAD v 0.17. |
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Revision as of 22:24, 25 February 2018
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| Menu location |
|---|
| Part Design → Subtractive pipe |
| Workbenches |
| PartDesign |
| Default shortcut |
| None |
| Introduced in version |
| - |
| See also |
| Additive pipe, Subtractive loft |
Description
Subtractive Pipe creates a subtractive solid in the active Body by sweeping one or more sketches (also referred to as cross-sections) along an open or closed path. Its shape is then subtracted from the existing solid.
How to use
- Press the
Subtractive pipe button. - In the Select feature dialog, select a sketch to be used as first cross-section and click OK.
- Alternatively, a single sketch can be selected prior to pressing the Subtractive pipe button.
- In the Pipe parameters under Profile, press the Object button.
- Select the sketch to be used as path in the 3D view:
- Alternatively, edges of the body can be selected by pressing Add Edge and selecting edges in the 3D view.
- To use more than one cross-section, under Section transformation set the Transform mode to Multisection; press Add Section then select a sketch in the 3D view. Repeat for each additional cross-section.
- Set options if needed and click OK.
Options
Properties
- DataLabel: name given to the operation, this name can be changed at convenience.
- DataRefine: true or false. If set to true, cleans the solid from residual edges left by features. See Part RefineShape for more details.
- DataSections: lists the sections used.
- DataSpine Tangent: true or false (default). True extends the path to include tangent edges.
- DataAuxiliary Spine Tangent: true or false (default). True extends the auxiliary path to include tangent edges.
- DataAuxiliary Curvelinear: true or false (default). True calculates normal between equidistant points on both spines.
- DataMode: profile mode. See Options.
- DataBinormal: binormal vector for corresponding orientation mode.
- DataTransition: transition mode. Options are Transformed, Right Corner or Round Corner.
- DataTransformation: Constant uses a single cross-section. Multisection uses two or more cross-sections. Linear, S-shape and Interpolation are currently not functional.
Limitations
- Sketches used for cross-sections must form closed profiles.
- It is not possible to use a vertex as cross-section.
- A cross-section cannot lie on the same plane as the one immediately preceding it.
- To better control the shape of the pipe, it is recommended that all the cross-sections have the same number of segments. For example, for a pipe between a rectangle and a circle, the circle may be broken down into 4 connected arcs.