Part RefineShape: Difference between revisions

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[[Part_RefineShape|Part RefineShape]] produces a non-parametric copy with a refined shape, that is, with certain edges and faces cleaned up.
The {{Button|[[Image:Part_RefineShape.svg|16px]] [[Part RefineShape|Part RefineShape]]}} produces a non-parametric copy with a refined shape, that is, with certain edges and faces cleaned up.


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After certain boolean operations, like [[Part Union|Part Union]], some lines from the previous shapes main remain visible. This tool produces a copy of that boolean result, and cleans up those seams.
After certain boolean operations, like [[Part Union|Part Union]], some lines from the previous shapes may remain visible. This tool produces a copy of that boolean result, and cleans up those seams.


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'''Alternatively''', to produce other non-parametric copies use {{Button|[[Image:Part_SimpleCopy.svg|16px]] [[Part_SimpleCopy|Simple Copy]]}}, {{Button|[[Image:Part_TransformedCopy.svg|16px]][[Part_TransformedCopy|Transformed Copy]]}}, and {{Button|[[Image:Part_ElementCopy.svg|16px]] [[Part_ElementCopy|Element Copy]]}}
'''Alternatively''', to produce other non-parametric copies use {{Button|[[Image:Part_SimpleCopy.svg|16px]] [[Part SimpleCopy|Simple Copy]]}}, {{Button|[[Image:Part_TransformedCopy.svg|16px]][[Part TransformedCopy|Transformed Copy]]}}, and {{Button|[[Image:Part_ElementCopy.svg|16px]] [[Part ElementCopy|Element Copy]]}}


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{{Caption|Original boolean result (left), and refined shape copy (right).}}
{{Caption|Original boolean result (left), and refined shape copy (right).}}


==How to use== <!--T:3-->
==Usage== <!--T:3-->


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This behavior can be changed in the {{KEY|[[Image:Std_DlgParameter.svg|16px]] [[Std DlgParameter|parameter editor]]}}
This behavior can be changed in the [[Image:Std_DlgParameter.svg|16px]] [[Std DlgParameter|parameter editor]]:
# Go to the subgroup: {{incode|BaseApp/Preferences/Mod/Part}}
# Go to the subgroup: {{incode|BaseApp/Preferences/Mod/Part}}
# Change {{incode|ParametricRefine}} of type {{incode|Boolean}} to {{FALSE}} to get the old behavior (independent copy).
# Change {{incode|ParametricRefine}} of type {{incode|Boolean}} to {{FALSE}} to get the old behavior (independent copy).
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* The refinement algorithm only works on shells. Therefore it iterates over the shells of the input shape and then for each shell it creates a new shell with joined faces wherever possible. This means that if your input shape is only a face, wire, edge or vertex then the algorithm does nothing.
* The refinement algorithm only works on shells. Therefore it iterates over the shells of the input shape and then for each shell it creates a new shell with joined faces wherever possible. This means that if your input shape is only a face, wire, edge or vertex then the algorithm does nothing.
* Unlike the [[OpenSCAD_RefineShapeFeature|OpenSCAD RefineShapeFeature]] command, [[Part_RefineShape|Part RefineShape]] won't update when the preceding shapes are changed.
* Unlike the [[Image:OpenSCAD_RefineShapeFeature.svg|24px]] [[OpenSCAD RefineShapeFeature|OpenSCAD RefineShapeFeature]] command, [[Image:Part_RefineShape.svg|24px]] [[Part_RefineShape|Part RefineShape]] won't update when the preceding shapes are changed.


=== Notes === <!--T:6-->
=== Notes === <!--T:6-->
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Revision as of 17:16, 23 November 2020

Part RefineShape

Menu location
Part → Create a copy → Refine Shape
Workbenches
Part
Default shortcut
None
Introduced in version
-
See also
SimpleCopy, TransformedCopy, ElementCopy, OpenSCAD RefineShapeFeature

Description

The Part RefineShape produces a non-parametric copy with a refined shape, that is, with certain edges and faces cleaned up.

After certain boolean operations, like Part Union, some lines from the previous shapes may remain visible. This tool produces a copy of that boolean result, and cleans up those seams.

Alternatively, to produce other non-parametric copies use Simple Copy, Transformed Copy, and Element Copy

Original boolean result (left), and refined shape copy (right).

Usage

  1. Select an object that you wish to clean and copy.
  2. Go to the menu Part → Create a copy → Refine shape.
  3. A cleaned, independent copy of the original object is created; the original object is hidden.

As of version 0.19 and above the result defaults to a parametric (linked) copy.

This behavior can be changed in the parameter editor:

  1. Go to the subgroup: BaseApp/Preferences/Mod/Part
  2. Change ParametricRefine of type Boolean to false to get the old behavior (independent copy).

See other parameters in Fine-tuning.

Limitations

  • The refinement algorithm only works on shells. Therefore it iterates over the shells of the input shape and then for each shell it creates a new shell with joined faces wherever possible. This means that if your input shape is only a face, wire, edge or vertex then the algorithm does nothing.
  • Unlike the OpenSCAD RefineShapeFeature command, Part RefineShape won't update when the preceding shapes are changed.

Notes

  • This function can be used as the last step in the modelling work to clean up shapes in a traditional constructive solid geometry workflow.
  • This function may help to clean up the model before applying another feature, such as a Fillet.
  • This clean up may stop 3D printers from printing unwanted edges once the solid model is exported to a mesh format.
  • This function can also be used after converting a mesh to a shape (ShapeFromMesh) to clean up the residual edges on flat faces.

Scripting

The Python command for refining a shape is the following:

shape.removeSplitter()