×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Can you replace a sketch in a feature?

Can you replace a sketch in a feature?

Can you replace a sketch in a feature?

(OP)
I could have sworn I have seen this done..

for example:
you have a sketch of a circle which has been extruded, and a different sketch which is a square.  I could have sworn someone showed me how to "replace" the circle sketch with the square sketch.... and the extrude is now a cube instead of a rod...

Does anyone know what I am talking about?  Or am I remembering things that have never happened??

Thanks
Christine

RE: Can you replace a sketch in a feature?

This can be achieved through configurations.

"Art without engineering is dreaming; Engineering without art is calculating."

Have you read FAQ731-376 to make the best use of Eng-Tips Forums?

RE: Can you replace a sketch in a feature?

(OP)
Madmango,

Do you mean have one configuration with one feature and a second configuration with another feature?

I know I can do this, but while at training I could have sworn I watched the guy have two sketches under one feature and he kind of toggled betweent he two...  

Christine

RE: Can you replace a sketch in a feature?

Can you explain more what you are actually trying to accomplish?

Are the sketches in the same part or different parts?

Once a feature is created you can edit any part of the sketch or if necessary delete it entirely and replace it with geometry from another sketch.

cheers

RE: Can you replace a sketch in a feature?

(OP)
I have a part which will have two configurations of a cut.

The cuts are completely different, so I can not alter the sketch from one configuration to the next.

I was going to have two cuts and suppress the one feature or the other in the different configurations.  Than I remembered (or so I think I remember) seeing the one guy at training actually have two sketches for on feature and toggled between them somehow.  I thought this would be a good way to get my two configurations instead of suppressing the features.  

So, now I am on the quest to find out if you can do this or not.  You don't need different configurations, but I was planning on using it that way...

He either toggled between two sketched, or replaced on for the other... it seemed easy enough to remember at the time, so I didn't bother writting anything down...



RE: Can you replace a sketch in a feature?

You could have multiple shapes drawn in a sketch and toggle each shape from construction to solid geometry. Perhaps that is what you were being shown. I can't think of a valid reason to create a feature that way though. A config with different features would be a much simpler toggle.

cheers

RE: Can you replace a sketch in a feature?

(OP)
yes, I've seen the multiple shapes in one sketch and toggle them, that wasn't it.

Boy, this is starting to get scary.  I honestly could have sworn..

It was almost as if he had done a copy past of the sketch in the feature tree.  At first I thought he RMB and did a replace, but I looked there is no replace...

I will have to call the guy and ask him, this is staring to bug me now.....

Christine

RE: Can you replace a sketch in a feature?

If you were using a Swept Cut (or any cut where a sketch profile has to be selected) you could then edit the feature and switch sketches ... but that would involve having separate sketches.

cheers

RE: Can you replace a sketch in a feature?

I don't think there is a replace sketch only a replace component... What I think you saw was a configuration switch... where you can suppress one feature and then the other feature per the config used.

Regards,

Scott Baugh, CSWP pc2
www.scottjbaugh.com
FAQ731-376

RE: Can you replace a sketch in a feature?

(OP)
Yes, he had seperate sketches...  

How do you switch sketches in this case?  

Maybe this is what I remember..

C

RE: Can you replace a sketch in a feature?

Make each sketch into a feature.

Make 2 configs

In one config suppress the circle feature

activate the other config and suppress the square.

Now if you toggle between the 2 configs one feature will be a circle while the other will be a square.

Regards,

Scott Baugh, CSWP pc2
www.scottjbaugh.com
FAQ731-376

RE: Can you replace a sketch in a feature?

(OP)
No, dang, that wasn't it... I know it wasn't two configurations.  But, this is how I will do it...

But, I will still call the guy.  I will update and post it if it is possible, or let you guys know that I'm slowly but surely fading....

Christine

RE: Can you replace a sketch in a feature?

trulyshy,

Could it possibly have been different sketch contours?  Draw 2 closed profiles in the same sketch and select which portion(s) of the sketch you want to use for the extrude feature.

RE: Can you replace a sketch in a feature?

trulyshy ... you can only switch sketches in certain types of cuts. Sweeps, Lofts, etc, where a profile and a path are required. I don't know of a way to switch sketches for a regular cut-extrude.

cheers

RE: Can you replace a sketch in a feature?

(OP)
Ok,

I was not able to reach Mike.  I left him an email, so I hope he replies soon.  Maybe it was in a sweep or loft where he showed it to us... and that is what I am remembering...

RE: Can you replace a sketch in a feature?

dgowans ... Yes, that would do it.

I still think a config is the better way though. It is much easier to see when trying to troubleshoot the part weeks, months, years from now.

cheers

RE: Can you replace a sketch in a feature?

(OP)
I will have to do it with configurations.  Even if I can switch out the sketches, how do I control them in the different config's....  so, two different features is probably the way to go.

C

RE: Can you replace a sketch in a feature?

(OP)
Ahhh but I do know a good reason why you would want to do it this way....

If I have a extrude early on in my feature tree, and I suppress it in one configuration, I might be suppressing children too which I might not want suppressed...

If I can just use a different sketch, I don't suppress everything...

RE: Can you replace a sketch in a feature?

It is Constuction Geometry in a sketch. put in two sketches. Make a square and a circle. Now toggle the circle to constuction geometry, it will use the square. Go back in and use construction geometry to turn them back.

Is this it?

RE: Can you replace a sketch in a feature?

1 feature. using construction geometry to go from square to circle.



RFUS

RE: Can you replace a sketch in a feature?

trulyshy ... but if the alternate sketch profiles are completely different, any child features referencing the surfaces created would probably still get screwed up.

cheers

RE: Can you replace a sketch in a feature?

rfus,

You could do the same thing with sketch profiles and never need to go back into the sketch.

CBL,

Agreed that if you go back and forth between profiles that downstream features would in all probability get hosed, but if you're just doing conceptual stuff this technique might be OK.

If SWX would only implement sketch entity mapping this could go a long way toward fixing this.  Easier said than done, I know.

RE: Can you replace a sketch in a feature?

I am aware of that, and I avoid using contour selections most of the time.

He mentioned a toggle, and construction geometry was the first thing that came to mind.

RE: Can you replace a sketch in a feature?

I just looked up and saw CBL already mentioned CG.
He must have used contour selection.
Use Configs as MM said in the first post. This is the way to do this.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources