Circular pattern seemingly cutting at random

[TheAHan]

The screencast below shows my issue. I create a pattern using faces that I want to cut, and then not all of the generated faces are cut. Can anybody see anything I'm doing wrong?

[robduarte]

I don't see anything that you're doing wrong. I'm just curious - have you tried patterning it as a feature?

[TheAHan]

It won't allow me to select the faces under the "feature" pattern type selection in the circular pattern tool. Is there another way to select those faces as a "feature"?

[Beyondforce]

Hi @TheAHan,

Please attach the file, so we can test it.

Cheers / Ben
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[robduarte]

You have to select features from the timeline. IE: if that cutout was created with an extrude, you could pattern the extrude feature.

[TheAHan]

@robduarte Thank you very much! Using feature as the pattern type did indeed work as intended, however I still have no idea why faces doesn't work as it gives the correct prediction...

@Beyondforce Would you like the whole assembly or just the affected body, and what file format would you like?

[Beyondforce]

Export the whole assembly as *.f3d file and I'll take it from there.

[TheAHan]

@Beyondforce Thank you, attached

[Beyondforce · Accepted solution]

Here you go. I hope this will help you understand the difference between a Face and a Feature (face) and when to choose one or the other:

Cheers / Ben.

[TheAHan]

@Beyondforce That was quite helpful, thank you very much.

[robduarte]

Yes, this is what I suggested early on. Honestly, though, I don't think it addresses the original poster's problem. Yes, patterning a feature is the best choice in this case. But as you proved in your video there is no reason why patterning a face shouldn't work as well. In addition, the behavior when he tried patterning it as a face -- not an error but a strange pattern that is missing random instances -- seems more like a bug to me than a user/workflow problem. There is no documentation that I know of that suggests that faces created as a result of a feature must be patterned as a feature. (And if that were true then it shouldn't be possible to attempt it.)

[TheAHan]

@robduarte I feel you are absolutely correct; I accepted the answer @Beyondforce gave because it offered a better understanding of how fusion works and when to use these different tools. On the other hand, the pattern tool does seem like it should work either way so to be intuitive to any thought process (One of the things I love about Fusion). It even gives the correct prediction before the random cut!

[robduarte]

No problem - I'm not competing for the Solution credit 🙂 .. just trying to determine whether you should submit this as a bug!

[TheAHan]

I just did haha. Thank you for your help!