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How to create Surface between a half 4 centered Arc and a circular profile

17 ANTWORTEN 17
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Nachricht 1 von 18
Anonymous
1402 Aufrufe, 17 Antworten

How to create Surface between a half 4 centered Arc and a circular profile

Hello Revit masters,

I have been struggling with creating a complex surface in a vault family. Basically I am attempting a square vault with 4 centered arches on 4 sides and a cap dome with a sentimental arc profile.

So far I have been able to model the dome and the 4 centered arches successfully. but the problem comes with the space between the 2 arches and the top dome. The create tool either makes a sharp divider in the surface or doesn't follow the circular profile of the dome.

I attempted the same model in Rhino and it was a piece of cake. which is making me even more anxious that there HAS to be a way for this in Revit. I am attaching the rhino screenshots and two of my many attempts in Revit. 

Any help regarding this would be very much appreciated.

Have a good day.

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17 ANTWORTEN 17
Nachricht 2 von 18
barthbradley
als Antwort auf: Anonymous

.

Nachricht 3 von 18
ToanDN
als Antwort auf: Anonymous

Can you share the Revit file?
Nachricht 4 von 18
constantin.stroescu
als Antwort auf: Anonymous

You mean something like this?

Image 1.png

A way can be to create a first revolve cut with Voids to obtain a rectangular form and cut then with a cylinder tangent to the edges,

Finally create a last revolve dome over it...

 

 

Image 2.png

Constantin Stroescu

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Nachricht 5 von 18
constantin.stroescu
als Antwort auf: Anonymous

another way two create the four pendentives by using Mass -Reference Points:

Image 3.png

https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/screencast/Main/Details/c90...

 

 

Constantin Stroescu

EESignature

Nachricht 6 von 18
Anonymous
als Antwort auf: constantin.stroescu

Thank You so much for the insight. I learned something new today. But unfortunately it didn't work as expected in my family. I am making an Adaptive Vault family and precision is key here. With your method I was able to generate the form but it wasn't following the arc edges accurately. I, then tried to increase the number of reference point to make the form accurate but it gave the error that the form cannot be created. I am attaching my family. Please take a look.

 

Thanks a lot.

Nachricht 7 von 18
Anonymous
als Antwort auf: ToanDN

Sure. Please have a look.

 

Thank You.

Nachricht 8 von 18
constantin.stroescu
als Antwort auf: Anonymous

you can also make a Mass Dome by using Lofts and then Cut it with Voids...as shown in my following screencast..more Profiles <> more precision..

https://knowledge.autodesk.com/community/screencast/4498c6b4-071c-46c3-9d13-84c28c9d26e5

Constantin Stroescu

EESignature

Nachricht 9 von 18

using Loft , the mapping of Wall by Face is accurate- constructively correct:

Image 2.png

Constantin Stroescu

EESignature

Nachricht 10 von 18
Anonymous
als Antwort auf: constantin.stroescu

Thanks a lot. 

 

Have a good day.

Nachricht 11 von 18
bin
Advisor
als Antwort auf: Anonymous

Had a play and here comes the crab family.

bin_0-1594298121993.png

 

 

Nachricht 12 von 18
Anonymous
als Antwort auf: bin

This is awesome. 

Can you share how you did that?

 

Thank You.

Nachricht 13 von 18
bin
Advisor
als Antwort auf: Anonymous

Sure, have a look of the family first. I'll do a video later.

Nachricht 14 von 18
Anonymous
als Antwort auf: bin

That was the first thing I did today. Just wondering how you made that surface.

Please do let me know when you do make a video.

 

Have good day.

 

Nachricht 15 von 18
bin
Advisor
als Antwort auf: Anonymous

Nachricht 16 von 18
Anonymous
als Antwort auf: bin

This video is private. 

Nachricht 17 von 18
bin
Advisor
als Antwort auf: Anonymous

Sorry, try it again.

Nachricht 18 von 18
Anonymous
als Antwort auf: bin

That is very impressive work with the formulas. Thank You so much for resolving the parameters and surfaces.

I really need to work on my trigonometry skills for this kind of modeling.

 

Thank You again. Have a good day.

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