Symmetric pattern via API?

kelly3QHXN — Sun, 02 Feb 2025 18:20:59 GMT

In the UI it's fairly easy to create a symmetric rectangular pattern. In the API documentation I can't find any way to do this. Is there a hidden way to create a symmetric pattern feature, or do I have to move the object and use a regular distance / extent pattern?

Thanks!

Re: Symmetric pattern via API?

BrianEkins — Tue, 04 Feb 2025 16:43:07 GMT

Are you trying to create a pattern in a sketch or of features? Can you post of picture of what you want to do?

Re: Symmetric pattern via API?

kelly3QHXN — Sat, 08 Feb 2025 15:49:21 GMT

I'm creating a rectangular pattern feature, with an object type of features as well. Here's how I'd do it in the UI

I haven't found anything in the documentation that lets me set the direction to "symmetric." It's easy enough to move the initial object to one end and go from there, but I was curious if there's support for symmetry via the API.

Re: Symmetric pattern via API?

openers_blowout-0u — Mon, 23 Jun 2025 11:07:55 GMT

There is a thing called isSymmetricInDirectionOne as part of RectangularPatternFeature and RectangularPatternFeatureInput as per Autodesk Fusion API Reference: https://help.autodesk.com/view/fusion360/ENU/?guid=GUID-cfa9dcf3-60e7-44cd-98b9-64561789fee0

But I can't get it to work, using this Code Sample as a basis:
https://help.autodesk.com/view/fusion360/ENU/?guid=GUID-b4d4a7c2-ee53-11e4-8d07-f8b156d7cd97

import adsk.core, adsk.fusion, traceback def run(context): ui = None try: app = adsk.core.Application.get() ui = app.userInterface # Create a document. doc = app.documents.add(adsk.core.DocumentTypes.FusionDesignDocumentType) product = app.activeProduct design = adsk.fusion.Design.cast(product) # Get the root component of the active design. rootComp = design.rootComponent # Create sketch sketches = rootComp.sketches sketch = sketches.add(rootComp.xZConstructionPlane) sketchCircles = sketch.sketchCurves.sketchCircles centerPoint = adsk.core.Point3D.create(0, 0, 0) sketchCircles.addByCenterRadius(centerPoint, 3.0) # Get the profile defined by the circle. prof = sketch.profiles.item(0) # Create an extrusion input extrudes = rootComp.features.extrudeFeatures extInput = extrudes.createInput(prof, adsk.fusion.FeatureOperations.NewBodyFeatureOperation) # Define that the extent is a distance extent of 5 cm. distance = adsk.core.ValueInput.createByReal(5) extInput.setDistanceExtent(False, distance) # Create the extrusion. ext = extrudes.add(extInput) # Get the body created by extrusion body = ext.bodies.item(0) # Create input entities for rectangular pattern inputEntites = adsk.core.ObjectCollection.create() inputEntites.add(body) # Get x and y axes for rectangular pattern xAxis = rootComp.xConstructionAxis yAxis = rootComp.yConstructionAxis # Quantity and distance quantityOne = adsk.core.ValueInput.createByString('3') distanceOne = adsk.core.ValueInput.createByString('8 cm') quantityTwo = adsk.core.ValueInput.createByString('3') distanceTwo = adsk.core.ValueInput.createByString('8 cm') # Create the input for rectangular pattern rectangularPatterns = rootComp.features.rectangularPatternFeatures rectangularPatternInput = rectangularPatterns.createInput(inputEntites, xAxis, quantityOne, distanceOne, adsk.fusion.PatternDistanceType.SpacingPatternDistanceType) # Set the data for second direction rectangularPatternInput.setDirectionTwo(yAxis, quantityTwo, distanceTwo) # Create the rectangular pattern rectangularFeature = rectangularPatterns.add(rectangularPatternInput) except: if ui: ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

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Symmetric pattern via API?

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