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Rotate Roof by Extrusion?

6 ANTWORTEN 6
GELÖST
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Nachricht 1 von 7
JeanDominique_Bonnet
3386 Aufrufe, 6 Antworten

Rotate Roof by Extrusion?

Made a roof by extrusion, it looks like the top half of a cylinder laying down (semi-circle x-section). I want to add a slope while keeping the same semi-circle cross-section like "propping" up one side of the roof in real life. Can't rotate the roof because it was made in a vertical plane, but disassociating the plane doesn't let me rotate the extrusion. This rotation is in the plane perpendicular to the profile. I also can't select a sloped reference plane to make the profile in the first place...Do I have to make an in place mass/component? This seems like a simple situation.

6 ANTWORTEN 6
Nachricht 2 von 7
cbcarch
als Antwort auf: JeanDominique_Bonnet

Try:

 

-Use a Void to cut the Roof.

 

Set the Work plane to be perpendicular to the end of the roof.

 

Create the Void, model-in-place.

 

Use Cut Geometry to cut the roof.

 

 

 

 

Cliff B. Collins
Registered Architect The Lamar Johnson Collaborative Architects-St. Louis, MO
Nachricht 3 von 7
JeanDominique_Bonnet
als Antwort auf: cbcarch

If I set the work plane perpendicular to the roof and make a void, that would just cut off the top and not cut out the "inside" of the cylinder's shell, also I want to the top to be a semi-circle and cutting a void would leave a flat top and not be able to make it curved because it's viewed from the side.

Is there a way to work with what I have and not make additional voids set up to the reference work plane?

Nachricht 4 von 7
ToanDN
als Antwort auf: JeanDominique_Bonnet

Cut a section along the roof and rotate the reference plane used to draw the extrusion profile.

 

Didn't work.  I think you have two options:

 

- Create an in place roof

- Create a sloped mass and roof by face

 

https://knowledge.autodesk.com/community/screencast/d22eb053-d9a1-40ae-9893-48aba6a0840e

 

 

 

Nachricht 5 von 7

Maybe I'm missing something here, but why can't you just sketch the shape you need from the get-go instead of trying to rotate it? 

Nachricht 6 von 7
JeanDominique_Bonnet
als Antwort auf: ToanDN

Thank you!! Your screencast is especially useful because I haven't used the swept extrusion tool before and probably would have spent the rest of the day messing with the different in place models.

 

@barthbradley, it can't be sketched from the beginning because it'll just extrude flat/horizontally from the work planes you're allowed to pick from.

Nachricht 7 von 7
piersURNN4
als Antwort auf: ToanDN

ToanDN,

 

That's been bugging me for ages.  Thank you sooo much for the screen cast ... very brilliant!

 

Piers

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