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Assembly Pattern driven by Sketch

Assembly Pattern driven by Sketch

We have sketch driven feature patterns in parts. Why not extend this so that we can have sketch driven patterns in an assembly?  The sketch could be taken from a sketch in a part that is in the assembly.  Would be a huge time-saver when placing components that must follow a given path.

 

Thanks,

Kirk

9 Comments
douthett
Collaborator

We can already do that.  You can create the path on a sketch on a part file, add point and pattern the points and then place the part file into an assembly.  You then use ‘Feature Pattern Select’ to pattern the part or assembly.

 

If you want I can post more detail directions for this.

Weily
Explorer

Yes you can do that, but that is more steps to create multiple holes in a part.

 

First you have to insert a sketch with multiple points on it then add a hole to only one of those points. Then click on sketch driven pattern, click feature which would be the hole and then find the sketch that has the other points to pattern that hole.

 

Then in your assembly you can use feature pattern to pattern say a bolt and nut around that pattern. This is way to many steps to make this work. Plus you are unable to unselect any of the locations in case you don't want a bolt and nut in one of the locations.

 

This feature world work better if you insert a sketch in a part with points and turn those points into holes, this is one feature. Then in your assembly you should be able to select certain points or holes on that feature and be able to pattern in those locations only.

 

Solidworks has a similar feature that I used all the time call Feature driven pattern. Way easy to use in Solidworks than in Inventor.

karthur1
Mentor

Douthett,

I don't want to have to create a patterned feature in a part, just so I can place something in an assembly.  I already know how to do that.  I just want to be able to turn on the visibility of a sketch of a part thats in the assembly.  Maybe the sketch has points in it.... then use these points to place items in my assembly.  Like what Weily is saying above.

Anonymous
Not applicable

I agree 100%.  The pattern feature needs to be smarter in assemblies.  If I pick a bunch of holes, and those holes were made by a pattern of sketch points, it should be able to understand what I mean.

gregory_nickol
Advocate

In my company's workflow, we use content center structural members saved as standard rather than custom so all machining features are at an assembly level. At this point in time, with the assembly level component pattern it does not appear possible to select an assembly level feature pattern, only a part level feature pattern. So unless I create a dummy part I can't even use that as a workaround. I had a relatively simple setup of some flanges that were in a convenient pattern, but with some hole locations blocked. To workaround it, I had to use 2 rectangular patterns that were 2-axis each, then go back and suppress elements in the sub-patterns.. which won't let you suppress element 1 either, so I had to flip which hole was my original and luckily things worked out in a way were none of the bolts to be removed were element 1 of their respective sub-pattern.

 

If this sounds confusing.. which I assume it does, that's a problem of itself that just goes to show how awful it is to work around the lack of consistent functionality.

karthur1
Mentor

Solidworks has much "cooler" tools than Inventor 2020  🤐 🤐

 

https://www.youtube.com/watch?v=RTZ7AV4CgxA&t=8s

Honestly I'm surprised this is not a feature. It should be very easy to implement.

 

You can already do a feature driven pattern based on a .ipt sketch, and yet for some reason you can't do a feature driven pattern based off of a .iam sketch. 

Yijiang.Cai
Autodesk
Status changed to: Future Consideration

Many thanks for posting the idea, and tracked as [INVGEN-82307]

I am surprised that it hasn't been solved yet after 5 years. Very cumbersome!!! I haven't managed to place it simply. Imported the step file. There are 4 holes provided. I place the sketch and point. Then back to assembly. Placing bolts still isn't working. What a stupid Inventor...

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