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Sketch: behaviour of intersecting profiles

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Message 1 of 10
Anonymous
496 Views, 9 Replies

Sketch: behaviour of intersecting profiles

Anonymous
Not applicable

Hello!

 

I've been using Fusion 360 for some time, and started using Inventor a couple of weeks ago. While sketching (and extruding/revolving), I've noticed that the behaviour of intersecting profiles differs between both softwares. Namely, in Fusion all lines/curves intersections produce valid profiles, while on Inventor this behaviour seems absent. 

The picture below should help illustrate this: On the left, the Fusion sketch can be extruded in the region where the circle and the rectangle intersect, but this can't be done on Inventor (I can select only the full rectagle or the full circle). 

 

fusion_vs_inventor.png

I'd very much like to have the same behaviour of Fusion within Inventor, and I assume I'm missing out some very obvious configuration or setting to do so. 

 

Any help would be greatly appreciated, 

 

Best regards.

 

 

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Sketch: behaviour of intersecting profiles

Hello!

 

I've been using Fusion 360 for some time, and started using Inventor a couple of weeks ago. While sketching (and extruding/revolving), I've noticed that the behaviour of intersecting profiles differs between both softwares. Namely, in Fusion all lines/curves intersections produce valid profiles, while on Inventor this behaviour seems absent. 

The picture below should help illustrate this: On the left, the Fusion sketch can be extruded in the region where the circle and the rectangle intersect, but this can't be done on Inventor (I can select only the full rectagle or the full circle). 

 

fusion_vs_inventor.png

I'd very much like to have the same behaviour of Fusion within Inventor, and I assume I'm missing out some very obvious configuration or setting to do so. 

 

Any help would be greatly appreciated, 

 

Best regards.

 

 

9 REPLIES 9
Message 2 of 10
admaiora
in reply to: Anonymous

admaiora
Mentor
Mentor
Accepted solution

Yes they are different.

 

You can use construction lines, you can use points...but at the end they are different software with different behaviors.

Admaiora
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Yes they are different.

 

You can use construction lines, you can use points...but at the end they are different software with different behaviors.

Admaiora
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Message 3 of 10
Anonymous
in reply to: admaiora

Anonymous
Not applicable

That's unfortunate. I find Inventor's sketch behaviour rather cumbersome, specially when working with more intricate sketches.

 

Thank you for the prompt reply! 

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That's unfortunate. I find Inventor's sketch behaviour rather cumbersome, specially when working with more intricate sketches.

 

Thank you for the prompt reply! 

Message 4 of 10
johnsonshiue
in reply to: Anonymous

johnsonshiue
Community Manager
Community Manager

Hi Martin,

 

Inventor has room for improvement in this case. Actually, I am surprised that it works in Fusion. I will work with the project team to understand the behavior better and how we can improve it.

Many thanks!

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
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Hi Martin,

 

Inventor has room for improvement in this case. Actually, I am surprised that it works in Fusion. I will work with the project team to understand the behavior better and how we can improve it.

Many thanks!

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
Message 5 of 10
Anonymous
in reply to: johnsonshiue

Anonymous
Not applicable

Hi Johnson, 

 

Thanks, I appreciate it 🙂 Inventor is an amazing tool, but I've faced some weird quirks while working with sketches.

I've been consistently wasting time trying to make Inventor "understand" which profiles I want to extrude/revolve - in sketches that would otherwise work fine within Fusion or other CAD packages I've used in the past. 

 

By the way, is there some sort of automatic profile/closed-loop highlighting (during sketching, as default in Fusion) available in Inventor? 

 

Thanks for the prompt reply! 

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Hi Johnson, 

 

Thanks, I appreciate it 🙂 Inventor is an amazing tool, but I've faced some weird quirks while working with sketches.

I've been consistently wasting time trying to make Inventor "understand" which profiles I want to extrude/revolve - in sketches that would otherwise work fine within Fusion or other CAD packages I've used in the past. 

 

By the way, is there some sort of automatic profile/closed-loop highlighting (during sketching, as default in Fusion) available in Inventor? 

 

Thanks for the prompt reply! 

Message 6 of 10
johnsonshiue
in reply to: Anonymous

johnsonshiue
Community Manager
Community Manager

Hi Martin,

 

Actually, you can get the desirable profiles by adding two points where the circle intersects the rectangle. This trick works in cases that intersection is relatively straight forward. Like I mentioned before, there is room for improvement here.

I am not familiar with the profile pre-highlighting behavior. In Inventor, if a profile can be selected, it will highlight when cursor hovers into the region of the profile.

Many thanks!

 

 

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer

Hi Martin,

 

Actually, you can get the desirable profiles by adding two points where the circle intersects the rectangle. This trick works in cases that intersection is relatively straight forward. Like I mentioned before, there is room for improvement here.

I am not familiar with the profile pre-highlighting behavior. In Inventor, if a profile can be selected, it will highlight when cursor hovers into the region of the profile.

Many thanks!

 

 

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
Message 7 of 10
Anonymous
in reply to: johnsonshiue

Anonymous
Not applicable

Hi Johnson,

 

 I'll try that out! Thanks for the response!

 

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Hi Johnson,

 

 I'll try that out! Thanks for the response!

 

Message 8 of 10
salariua
in reply to: johnsonshiue

salariua
Mentor
Mentor

and.... WORKPOINTS once again....

 

Inventor will see these as discontinued loops and allow individual profile selection.

 

You could use Break to split the curves but then you need to constrain the new segments.

 

 

Adrian S.
blog.ads-sol.com 

AIP2012-2020 i7 6700k AMD R9 370
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and.... WORKPOINTS once again....

 

Inventor will see these as discontinued loops and allow individual profile selection.

 

You could use Break to split the curves but then you need to constrain the new segments.

 

 

Adrian S.
blog.ads-sol.com 

AIP2012-2020 i7 6700k AMD R9 370
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Message 9 of 10
TheCADWhisperer
in reply to: salariua

TheCADWhisperer
Consultant
Consultant

@salariua wrote:

and.... WORKPOINTS once again....

 

 


I think you mean Sketch Points.

Work Points and Sketch Points are entirely different.

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@salariua wrote:

and.... WORKPOINTS once again....

 

 


I think you mean Sketch Points.

Work Points and Sketch Points are entirely different.

Message 10 of 10
salariua
in reply to: TheCADWhisperer

salariua
Mentor
Mentor

TheCADWhisperer wrote:


I think you mean Sketch Points.

Work Points and Sketch Points are entirely different.


 

Yes you are correct,

 

Sketch points or sketch center points will both work.

Adrian S.
blog.ads-sol.com 

AIP2012-2020 i7 6700k AMD R9 370
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0 Likes


TheCADWhisperer wrote:


I think you mean Sketch Points.

Work Points and Sketch Points are entirely different.


 

Yes you are correct,

 

Sketch points or sketch center points will both work.

Adrian S.
blog.ads-sol.com 

AIP2012-2020 i7 6700k AMD R9 370
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If so please use the Accepted Solutions or Like button - Thank you!

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