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VOID EXTRUSION... this used to work...

16 ANTWORTEN 16
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Nachricht 1 von 17
georgehobel
1074 Aufrufe, 16 Antworten

VOID EXTRUSION... this used to work...

I figured this out in one of my other models, but its not working now... and I dont really know why..

 

I created an extrusion to form an "eyebrow" roof across an elevation.. it sticks out above the surface of the roof, so I trimmed it with a void extrusion... worked perfectly last time i did it.  I was so proud.  Now... i'm losing hair.

 

i just did my first screen cast.  uploaded to somewhere.... (must be with my tax refund)???

 

i posted the project since i cant find the screen cast.

George Hobel
Reflections of Charlotte
Residential Building and Design
16 ANTWORTEN 16
Nachricht 2 von 17
georgehobel
als Antwort auf: georgehobel

here's the screen cast

 

 

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 3 von 17
georgehobel
als Antwort auf: georgehobel

 

 

 

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 4 von 17
cbcarch
als Antwort auf: georgehobel

Use Cut Geometry BEFORE you close the Void sketch, and pick the element to be cut.

Cliff B. Collins
Registered Architect The Lamar Johnson Collaborative Architects-St. Louis, MO
Nachricht 5 von 17
georgehobel
als Antwort auf: cbcarch

thats right... i forgot that step... still not achieving success though

 

 

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 6 von 17
cbcarch
als Antwort auf: georgehobel

Try using Component>Model in place>Void>Generic Model, instead of using the Wall tool.

Cliff B. Collins
Registered Architect The Lamar Johnson Collaborative Architects-St. Louis, MO
Nachricht 7 von 17
georgehobel
als Antwort auf: cbcarch

 

 

 

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 8 von 17
georgehobel
als Antwort auf: georgehobel

thats' a previous model, same condition, same exercise, just last week... and it worked.  Now it's not working at all.   I even tried using some basic forms exactly as pictured in the tutorial... but its not performing the same as the tutorial.... grrrrrrrr

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 9 von 17
georgehobel
als Antwort auf: georgehobel

i also tried the path you suggested, but it seems that I dont have that option... I cant find a path to void...

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 10 von 17
cbcarch
als Antwort auf: georgehobel

Architecture Tab>Component>Model in place>Family Category and Parameters>Generic Model--give it a name like roof void cut>Void Forms>Void Extrusions

Cliff B. Collins
Registered Architect The Lamar Johnson Collaborative Architects-St. Louis, MO
Nachricht 11 von 17
barthbradley
als Antwort auf: georgehobel

@georgehobel: The Solid and the Void Cut should both be in the same In-Place Component -- not built separately from each other and then combined. 

 

...basically, just edit the host (the Solid extrusion) and add a Void Cut to it. 

Nachricht 12 von 17
georgehobel
als Antwort auf: barthbradley

ok.. so that worked... first select the object, and then select "edit In Place"  . then, while i'm in the editor, create the void extrusion .  That 's not what I did last week, but it worked today.

 

@cbcarch  I'll take another whack at your approach also... not sure if I can respond before the forum holiday, but thanks in advance...

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 13 von 17
ToanDN
als Antwort auf: georgehobel

I think last week you cut a system family with a void and this week you are trying to cut an in place family with a void.

Nachricht 14 von 17
SteveKStafford
als Antwort auf: georgehobel

Looks like you've moved on but...

 

A void that comes into contact with an existing solid when its sketch is finished will cut that solid(s) automatically. It it does not then we must use Cut to tell Revit the void should cut this or that solid.

 

I often place a void so that it does not intersect at first or I create a solid first and then change it to a void later...as I work through a complicated form. Then when I'm satisfied the void form is correct I use Cut.


Steve Stafford
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Nachricht 15 von 17
georgehobel
als Antwort auf: ToanDN

I thought that I had created the original object the same way both times, but I could be mistaken... that would explain why its not behaving in the same manner...

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 16 von 17
georgehobel
als Antwort auf: SteveKStafford

Steve I appreciate everybody's input.  I have learned that there is almost always more than one way to get to the solution.  It's great to have all sorts of tools in your box. I'm grateful for the interaction.

George Hobel
Reflections of Charlotte
Residential Building and Design
Nachricht 17 von 17
barthbradley
als Antwort auf: georgehobel


@georgehobelwrote:

 I have learned that there is almost always more than one way to get to the solution. 


 

As my Dad always said: "There's more than one way to skin a cat" ... which is an odd and disturbing thing to say to a toddler who loves kitties.  Smiley (überrascht)

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