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Extruded boss at an angle from its origin.

Question asked by Kim Panattoni on Jun 30, 2014
Latest reply on Jun 30, 2014 by Kelef Man

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I feel sheepish, friends.

While I got the answer to my previous question in here, I made the mistake of tagging something to the end of the question, instead of posting a new question about one of the other issues I was experiencing with the operation. Here's what I need to do:

Definitely see the attached model, but in brief, you'll see a feature in a folder called Gangway, which extrudes at an angle normal to the body it is attached to. I need it to do so for direction 1, but direction 2, I need to extrude the same distance, but I need the extrude to be horizontal without changing the distance of any part of the extrude. Here is a diagram to show what I mean:

I feel silly because I didn't ask the complete question last time, so please pardon me for that... You'll see from the model why direction 1 of the Extruded Boss needs to be up to surface, but I need to have direction 2 go the way the picture shows.

Thanks again for all of your patience, I feel like such a newbie asking all of these questions... and I guess I am, but you have all been so kind!

Again, thank you!

Jeremiah Feist Jun 30, 2014 6:35 PM

Correct Answer

you can select a direction other than normal to the sketch plane for extruding, as defined by a model edge or a sketch segment.

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Gangway.SLDPRT.zip1.5 MB

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Jeremiah Feist Jun 30, 2014 6:35 PM

you can select a direction other than normal to the sketch plane for extruding, as defined by a model edge or a sketch segment.

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Kim Panattoni @ Jeremiah Feist on Jun 30, 2014 7:17 PM

Jeremy,

Direction 1 is not the issue, Direction 2 is the problem. I need it to extrude as the red guidelines in the image I posted describe.

Thanks, though.

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Kim Panattoni @ Jeremiah Feist on Jun 30, 2014 9:30 PM

Jeremy:

I am sorry, I misunderstood your suggestion when reading the response; its been a night of brain fog, please forgive me. I'll take a closer look at it and see if I can make variants on that work as well, just as Kelef is doing.

Thanks! ^^

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Kelef Man Jun 30, 2014 6:43 PM

hei'ya David, if I understand the scrnsht correctly,

the lower cut will have a natural horizontal tangent,

resulting in an undercut, the upper will not,

because of the incline, the arc is only partial,

and has no material to produce the horizontal surface

how large should the flat be?

should it correspond to the lower profile flat,

do you want to use a feature-

hope i have understood your question properly kelef

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Kim Panattoni @ Kelef Man on Jun 30, 2014 6:49 PM

Kelef,

I believe you are understanding my question correctly. Its a real problem. When extruding, I know it is going to make a downward extrusion because of the angle of the saucer that the original feature is based upon. What I need to do in order to meet the demand is create a feature that exists as the red lines demonstrate. I am fine with having to start the construction on this feature all over again, so long as I get the result I need. You can see that the base of the first Cut Extrude is centered on the lowest ring in the upper set, and vice versa for the bottom set. That is essential. However, the extrude that comes out of it needs to have the base of the shape perpendicular to the right plane, but with the resulting face remaining at the angle of the saucer, and be flat/planar so it can be sketched upon, since doors and other things have to go on this feature.

This is a connundrum, to say the least, and I know its complex. I've been tinkering with this for about a week and haven't found a good solution yet.

I hope this better explains what I am trying to accomplish.

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Kelef Man @ Kim Panattoni on Jun 30, 2014 8:01 PM

hei'ya David, I've had quick look at the file,

I'll probadly need some time to work thru your model,

you're using "test(Gangway)" config,

and the problem child is boss-xtrude31- kelef

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Kim Panattoni @ Kelef Man on Jun 30, 2014 8:28 PM

Kelef,

Thanks for taking the time to look and figure it out! I have no present deadline for this yet, so if the solution takes time, I don't mind.

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Kelef Man @ Kim Panattoni on Jun 30, 2014 9:21 PM

David, see att-scrnsht,

using the direction/right plane, as suggested by Jeremy Feist,

this is the resulting front-xsection- without changing the original sketch

I'm guessing this is not the result/profile you want,

and so, the sketch199 should be extruded 0.0150",

from sketch, and blended to the body from sketch,

both horizontally-might need some tweaking on sketch199,

or some poetic license to make it neat-

I'll get back to you as soon as I have something- kelef

Actions

Kim Panattoni Jun 30, 2014 10:11 PM

Kelef & Jeremy:

After trying Jeremy's solution, I found that the cutoff Kelef demonstrates in his screenshot could be fixed by adjusting the sketch to better match my original design intent. After adjusting it, I rebuilt the extrude using Jeremy's directional recommendation, and by george, it worked!

I feel like such an idiot. I misread Jeremy's answer, hopefully didn't offend him, and sent Kelef on a chase of an untamed ornothoid without cause. I don't feel like an idiot because of you two, just because I am having a lousy day.

Thank you BOTH, I wish I could give you both correct answer buttons, I will try to and se what happens.

Thanks again!,

David

Actions

Kelef Man @ Kim Panattoni on Jun 30, 2014 11:33 PM

no sweat dude,

if ornothoidal maniacality is my worst problem,

I'm doing well, glad you're sorted

have good'n kelef

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10 Replies

Jeremiah Feist Jun 30, 2014 6:35 PM
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Correct Answer
you can select a direction other than normal to the sketch plane for extruding, as defined by a model edge or a sketch segment.
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- Kim Panattoni @ Jeremiah Feist on Jun 30, 2014 7:17 PM
  Mark Correct
  Correct Answer
  Jeremy,
  
  Direction 1 is not the issue, Direction 2 is the problem. I need it to extrude as the red guidelines in the image I posted describe.
  
  Thanks, though.
  Like • Show 0 Likes0
  Actions
- Kim Panattoni @ Jeremiah Feist on Jun 30, 2014 9:30 PM
  Mark Correct
  Correct Answer
  Jeremy:
  
  I am sorry, I misunderstood your suggestion when reading the response; its been a night of brain fog, please forgive me. I'll take a closer look at it and see if I can make variants on that work as well, just as Kelef is doing.
  
  Thanks! ^^
  Like • Show 0 Likes0
  Actions
Kelef Man Jun 30, 2014 6:43 PM
Mark Correct
Correct Answer
hei'ya David, if I understand the scrnsht correctly,
the lower cut will have a natural horizontal tangent,
resulting in an undercut, the upper will not,
because of the incline, the arc is only partial,
and has no material to produce the horizontal surface
how large should the flat be?
should it correspond to the lower profile flat,
do you want to use a feature-
hope i have understood your question properly kelef
Like • Show 0 Likes0
Actions
- Kim Panattoni @ Kelef Man on Jun 30, 2014 6:49 PM
  Mark Correct
  Correct Answer
  Kelef,
  
  I believe you are understanding my question correctly. Its a real problem. When extruding, I know it is going to make a downward extrusion because of the angle of the saucer that the original feature is based upon. What I need to do in order to meet the demand is create a feature that exists as the red lines demonstrate. I am fine with having to start the construction on this feature all over again, so long as I get the result I need. You can see that the base of the first Cut Extrude is centered on the lowest ring in the upper set, and vice versa for the bottom set. That is essential. However, the extrude that comes out of it needs to have the base of the shape perpendicular to the right plane, but with the resulting face remaining at the angle of the saucer, and be flat/planar so it can be sketched upon, since doors and other things have to go on this feature.
  
  This is a connundrum, to say the least, and I know its complex. I've been tinkering with this for about a week and haven't found a good solution yet.
  
  I hope this better explains what I am trying to accomplish.
  Like • Show 0 Likes0
  Actions
  - Kelef Man @ Kim Panattoni on Jun 30, 2014 8:01 PM
    Mark Correct
    Correct Answer
    hei'ya David, I've had quick look at the file,
    I'll probadly need some time to work thru your model,
    you're using "test(Gangway)" config,
    and the problem child is boss-xtrude31- kelef
    Like • Show 0 Likes0
    Actions
    - Kim Panattoni @ Kelef Man on Jun 30, 2014 8:28 PM
      Mark Correct
      Correct Answer
      Kelef,
      
      Thanks for taking the time to look and figure it out! I have no present deadline for this yet, so if the solution takes time, I don't mind.
      Like • Show 0 Likes0
      Actions
      - Kelef Man @ Kim Panattoni on Jun 30, 2014 9:21 PM
        Mark Correct
        Correct Answer
        David, see att-scrnsht,
        using the direction/right plane, as suggested by Jeremy Feist,
        this is the resulting front-xsection- without changing the original sketch
        
        I'm guessing this is not the result/profile you want,
        and so, the sketch199 should be extruded 0.0150",
        from sketch, and blended to the body from sketch,
        both horizontally-might need some tweaking on sketch199,
        or some poetic license to make it neat-
        I'll get back to you as soon as I have something- kelef
        Like • Show 0 Likes0
        Actions
Kim Panattoni Jun 30, 2014 10:11 PM
Mark Correct
Correct Answer
Kelef & Jeremy:

After trying Jeremy's solution, I found that the cutoff Kelef demonstrates in his screenshot could be fixed by adjusting the sketch to better match my original design intent. After adjusting it, I rebuilt the extrude using Jeremy's directional recommendation, and by george, it worked!

I feel like such an idiot. I misread Jeremy's answer, hopefully didn't offend him, and sent Kelef on a chase of an untamed ornothoid without cause. I don't feel like an idiot because of you two, just because I am having a lousy day.

Thank you BOTH, I wish I could give you both correct answer buttons, I will try to and se what happens.

Thanks again!,

David
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- Kelef Man @ Kim Panattoni on Jun 30, 2014 11:33 PM
  Mark Correct
  Correct Answer
  no sweat dude,
  if ornothoidal maniacality is my worst problem,
  I'm doing well, glad you're sorted
  
  have good'n kelef
  Like • Show 0 Likes0
  Actions

Extruded boss at an angle from its origin.

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