PartDesign PolarPattern: Difference between revisions

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{{Docnav
|[[PartDesign_LinearPattern|Linear Pattern]]
|[[PartDesign_MultiTransform|Create MultiTransform]]
|[[PartDesign_Workbench|PartDesign]]
|IconL=PartDesign_LinearPattern.svg
|IconR=PartDesign_MultiTransform.svg
|IconC=Workbench_PartDesign.svg
}}

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{{GuiCommand
{{GuiCommand|Name=PartDesign PolarPattern|Workbenches=[[PartDesign Workbench|PartDesign]], Complete|MenuLocation=PartDesign -> PolarPattern}}
|Name=PartDesign PolarPattern
|MenuLocation=Part Design → PolarPattern
|Workbenches=[[PartDesign_Workbench|PartDesign]]
}}


==Introduction== <!--T:2-->
==Description== <!--T:2-->

'Make a polar pattern of features' - This tool takes a selected feature and creates a set of rotated (by a chosen axis) copies.<br />
<!--T:11-->
The resulting object is created as a new seperate object in the tree view.<br />
The '''polar pattern''' tool takes a selected feature and creates a set of copies rotated around a chosen axis. Starting with v0.17, it can pattern multiple features.
For example:

[[Image:Polarpattern_example.png|600px|left]]
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[[File:PartDesign PolarPattern example.png|none]]
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<!--T:12-->
''Above: a slot-shaped pocket (B) made on top of a base solid (A, also referred to as support) is used for a polar pattern. The result (C) is shown on the right.''

==Usage== <!--T:13-->

==== To create a pattern ==== <!--T:34-->

<!--T:14-->
# (Optional) Select the feature ({{Version|0.19}} or several features) to be patterned.
# Press the {{KEY|[[File:PartDesign_PolarPattern.svg|24px]]}} '''PolarPattern''' button.
#* If you didn't initially select any features, you'll be able to select a ''single'' base feature
# Define the '''Axis'''. See [[#Options|Options]].
# Define the '''Angle''' between the last copied occurrence and the original feature.
# Set the number of '''Occurrences'''.
# If you have several features in the pattern, their order can be important, see the image below.
# Press {{KEY|OK}}.


==== Ordering features ==== <!--T:35-->

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[[File:PartDesign_feature-order.gif]]
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<!--T:32-->
{{Caption|Effect of the feature order}}

<!--T:36-->
{{Version|0.19}} You can change the order by dragging the feature in the list and you will see the result immediately as preview.

==== Adding features ==== <!--T:37-->

====== v0.18 ====== <!--T:38-->

<!--T:33-->
# Press {{KEY|Add feature}} to add a feature to be patterned. The feature must be visible in the [[3D_view|3D view]]:
# Switch to the Model tree;
# Select in the tree the feature to be added and press {{KEY|Spacebar}} to make it visible in the [[3D_view|3D view]];
# Switch back to the Tasks panel;
# Select the feature in the 3D view; it will be added to the list.
# Repeat to add other features.

====== v0.19 ====== <!--T:39-->

<!--T:40-->
# Press {{KEY|Add feature}} to add a feature to be patterned.
# Switch to the Model tree;
# Select in the tree the feature to be added.
# Repeat to add other features.


==== Removing features ==== <!--T:41-->

<!--T:42-->
* Right-click on the feature in the list and select ''Remove''.

<!--T:43-->
or

====== v0.18 ====== <!--T:44-->
# Press {{KEY|Remove feature}} to remove a feature from the list. The feature must be visible in the [[3D_view|3D view]]:
# Switch to the Model tree;
# Select in the tree the feature to be removed and press {{KEY|Spacebar}} to make it visible in the [[3D_view|3D view]];
# Switch back to the Tasks panel;
# Select the feature in the 3D view; it will have been removed from the list.
# Repeat to remove other features.

====== v0.19 ====== <!--T:45-->
# Press {{KEY|Remove feature}} to remove a feature from the list.
# Switch to the Model tree;
# Select in the tree the feature to be removed.
# Repeat to remove other features.


==Options== <!--T:6-->
==Options== <!--T:6-->
When creating a polar pattern feature, the 'polar pattern parameters' dialogue offers two different ways of specifying the pattern rotation axis.


===Normal sketch axis=== <!--T:9-->
<!--T:15-->
[[File:Polarpattern parameters.png|frame|left]]

===Axis=== <!--T:16-->

<!--T:17-->
When creating a polar pattern feature, the ''PolarPattern parameters'' dialogue offers different ways of specifying the pattern rotation axis.

====Normal sketch axis==== <!--T:9-->
An axis being normal to the sketch and starting in the origin of the sketch of the feature being used is taken as axis for the polar pattern.<br />
An axis being normal to the sketch and starting in the origin of the sketch of the feature being used is taken as axis for the polar pattern.<br />
The pattern direction can be reversed by ticking 'Reverse direction'.
The pattern direction can be reversed by ticking 'Reverse direction'.


===Select reference=== <!--T:10-->
====Horizontal sketch axis==== <!--T:18-->
Here you can select an edge as a reference.<br />
If that option is chosen only the edge of a feature being used just before the polar pattern-operation is choosable.
So you are able to use this option by:
*creating a helper feature (for example a pad) with on of the edges being the axis of the polar pattern
*create feature (pad or pocket) to be patterned
*select polar pattern feature and select edge as reference
*use another helper feature (for example pocket) to remove your first helper feature.
The pattern direction can be reversed by ticking 'Reverse direction'.


<!--T:7-->
<!--T:19-->
Uses the horizontal axis of the sketch for axis.
[[Image:PartDesign_PolarPattern_EdgeReference.gif]]


====Vertical sketch axis==== <!--T:20-->

<!--T:21-->
Uses the vertical axis of the sketch for axis.

====Custom Sketch Axis==== <!--T:22-->

<!--T:23-->
If the sketch which defines the feature to be patterned also contains a construction line (or lines), then the drop down list will contain one custom sketch axis for each construction line. The first construction line will be labelled ''Sketch axis 0''.

====Base (X/Y/Z) axis==== <!--T:24-->

<!--T:25-->
{{VersionPlus|0.17}} Select one of the Body Origin's standard axis (X, Y or Z) as axis.

====Select reference...==== <!--T:26-->

<!--T:27-->
Allows you to select either a DatumLine or an edge of an object or a line of a sketch to use for axis.


===Angle and Occurrences === <!--T:8-->
===Angle and Occurrences === <!--T:8-->
Specifies the angle to be covered by the pattern, and the total number of pattern shapes (including the original feature). For example, four occurrences in an angle of 180 degrees would give a spacing of 60 degrees between patterns. There is one exception: If the angle is 360 degrees, since first and last occurrence are identical, four occurrences will be spaced 90 degrees apart.
Specifies the angle to be covered by the pattern, and the total number of pattern shapes (including the original feature). For example, four occurrences in an angle of 180 degrees would give a spacing of 60 degrees between patterns. There is one exception: If the angle is 360 degrees, since first and last occurrence are identical, four occurrences will be spaced 90 degrees apart.
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==Limitations== <!--T:3-->
==Limitations== <!--T:3-->


<!--T:4-->
<!--T:4-->
* See [[PartDesign_LinearPattern|linear pattern feature]]
* See [[PartDesign_LinearPattern#Limitations|linear pattern feature limitations]].
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==Examples== <!--T:5-->
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{{Docnav
[[Image:Polarpattern_example2.jpg|left]]
|[[PartDesign_LinearPattern|Linear Pattern]]
{{clear}}
|[[PartDesign_MultiTransform|Create MultiTransform]]
|[[PartDesign_Workbench|PartDesign]]
|IconL=PartDesign_LinearPattern.svg
|IconR=PartDesign_MultiTransform.svg
|IconC=Workbench_PartDesign.svg
}}


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Revision as of 12:35, 10 January 2021

Other languages:

PartDesign PolarPattern

Menu location
Part Design → PolarPattern
Workbenches
PartDesign
Default shortcut
None
Introduced in version
-
See also
None

Description

The polar pattern tool takes a selected feature and creates a set of copies rotated around a chosen axis. Starting with v0.17, it can pattern multiple features.

Above: a slot-shaped pocket (B) made on top of a base solid (A, also referred to as support) is used for a polar pattern. The result (C) is shown on the right.

Usage

To create a pattern

  1. (Optional) Select the feature (introduced in version 0.19 or several features) to be patterned.
  2. Press the PolarPattern button.
    • If you didn't initially select any features, you'll be able to select a single base feature
  3. Define the Axis. See Options.
  4. Define the Angle between the last copied occurrence and the original feature.
  5. Set the number of Occurrences.
  6. If you have several features in the pattern, their order can be important, see the image below.
  7. Press OK.


Ordering features

Effect of the feature order

introduced in version 0.19 You can change the order by dragging the feature in the list and you will see the result immediately as preview.

Adding features

v0.18
  1. Press Add feature to add a feature to be patterned. The feature must be visible in the 3D view:
  2. Switch to the Model tree;
  3. Select in the tree the feature to be added and press Spacebar to make it visible in the 3D view;
  4. Switch back to the Tasks panel;
  5. Select the feature in the 3D view; it will be added to the list.
  6. Repeat to add other features.
v0.19
  1. Press Add feature to add a feature to be patterned.
  2. Switch to the Model tree;
  3. Select in the tree the feature to be added.
  4. Repeat to add other features.


Removing features

  • Right-click on the feature in the list and select Remove.

or

v0.18
  1. Press Remove feature to remove a feature from the list. The feature must be visible in the 3D view:
  2. Switch to the Model tree;
  3. Select in the tree the feature to be removed and press Spacebar to make it visible in the 3D view;
  4. Switch back to the Tasks panel;
  5. Select the feature in the 3D view; it will have been removed from the list.
  6. Repeat to remove other features.
v0.19
  1. Press Remove feature to remove a feature from the list.
  2. Switch to the Model tree;
  3. Select in the tree the feature to be removed.
  4. Repeat to remove other features.

Options

Axis

When creating a polar pattern feature, the PolarPattern parameters dialogue offers different ways of specifying the pattern rotation axis.

Normal sketch axis

An axis being normal to the sketch and starting in the origin of the sketch of the feature being used is taken as axis for the polar pattern.
The pattern direction can be reversed by ticking 'Reverse direction'.

Horizontal sketch axis

Uses the horizontal axis of the sketch for axis.

Vertical sketch axis

Uses the vertical axis of the sketch for axis.

Custom Sketch Axis

If the sketch which defines the feature to be patterned also contains a construction line (or lines), then the drop down list will contain one custom sketch axis for each construction line. The first construction line will be labelled Sketch axis 0.

Base (X/Y/Z) axis

version 0.17 and above Select one of the Body Origin's standard axis (X, Y or Z) as axis.

Select reference...

Allows you to select either a DatumLine or an edge of an object or a line of a sketch to use for axis.

Angle and Occurrences

Specifies the angle to be covered by the pattern, and the total number of pattern shapes (including the original feature). For example, four occurrences in an angle of 180 degrees would give a spacing of 60 degrees between patterns. There is one exception: If the angle is 360 degrees, since first and last occurrence are identical, four occurrences will be spaced 90 degrees apart.

Limitations

PartDesign
User documentation
Retrieved from "http://wiki.freecad.org/index.php?title=PartDesign_PolarPattern&oldid=837512"