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Move face to line, or extend face to surface, or something...

robert_stilesrobert_stiles Member Posts: 110 PRO
I am sure that once I could pick a series of faces, and extend them to surface or a plane, just like the move faces feature ,when you select a control vertex, but selecting a line or surface instead - I thought it it moved multiple faces until they hit this boundary geometry. I can't remember how I did it or if I dreamt it. I'm not talking complex surfaces or curves, just moving the faces of multiple cuboids to chase a profile line or surface. 
 
Any thoughts?

Thanks
Rob

Comments

  • Options
    steve_shubinsteve_shubin Member Posts: 1,070 ✭✭✭✭
    … moving the faces of multiple cuboids to chase a profile line or surface. 



  • Options
    MichaelPascoeMichaelPascoe Member Posts: 1,767 PRO
    edited August 2022
    @steve_shubin is right.

    If you want the selected ends to fit to the trim line you could Extrude up to a part or you could Move face past the part then use Split to remove half. I recommend Moving past the part then using split or boolean. This will be a more robust workflow as your parts might not always be this flat in the future. 

    The key point here is to use a surface or part as your splitting tool or "up to" tool.

    Or if you prefer the ends stay the same angle they currently are, you may have to Move face one at a time up to a vertex on a sketch.
     


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  • Options
    steve_shubinsteve_shubin Member Posts: 1,070 ✭✭✭✭
    @MichaelPascoe

    I like what Michael shows here

    So what software are you using Michael to get ‘for lack of better words’ THE OUTER LIMITS effect, at the point of the loop in your GIF. I like that

    I use to love watching that show

    https://youtu.be/8CtjhWhw2I8


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    eric_pestyeric_pesty Member Posts: 1,626 PRO
    I think "replace face" is what you want... Won't work up to a line but it will work for a surface. Although it would have to be a "continuous" face so if you have an angle that won't work.
    The "extrude up to part" option would do it though...
  • Options
    MichaelPascoeMichaelPascoe Member Posts: 1,767 PRO
    I think "replace face" is what you want... Won't work up to a line but it will work for a surface. Although it would have to be a "continuous" face so if you have an angle that won't work.
    The "extrude up to part" option would do it though...
    Oh right! Replace face would be great here. I forget it exists.

    Learn more about the Gospel of Christ  ( Here )

    CADSharp  -  We make custom features and integrated Onshape apps!   cadsharp.com/featurescripts 💎
  • Options
    S1monS1mon Member Posts: 2,537 PRO
    I really wish replace face would work with a surface input instead of just a face input.
  • Options
    steve_shubinsteve_shubin Member Posts: 1,070 ✭✭✭✭
    edited August 2022
    Just for clarity sake — Replace Face does work with compound angle planes, and it also will work with finite surfaces at an angle, where the elements being extended or contracted, do not have to intersect or touch the finite surface





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    MichaelPascoeMichaelPascoe Member Posts: 1,767 PRO
    The problem here is that there is more than one face. Not sure replace face will be the most efficient in this case.

    Learn more about the Gospel of Christ  ( Here )

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    steve_shubinsteve_shubin Member Posts: 1,070 ✭✭✭✭
    @MichaelPascoe

    You are absolutely right I!!!
    Thanks for bringing that to my attention
    And all along, I thought I was looking at a plan, as viewed from a 3D perspective point of view, like in this GIF
    Thanks for that insight

    Now are you going to give up the secret for the SCRAMBLED TV effect in your GIF
    Or are you just going to relegate me to boring old FADE TO BLACK between loops
    That scrambled effect is more with the times. And I want to stay relevant LOL

    Is it CAMTASIA ???
    SCREENFLOW ???





  • Options
    robert_stilesrobert_stiles Member Posts: 110 PRO
    Thanks for all this. I will try all the options. Replace face looks interesting, I thought there was a standard feature I had missed. I'll get back to you in 5.... 
  • Options
    robert_stilesrobert_stiles Member Posts: 110 PRO
    Ah right, the reason the Extrude was not working for me was because before I tried taking it to a plane (did not work), and to a surface, created from the lines in the sketch (did not work) - but I had not gone so far as to create a solid part as a tool. This must have been how I did it before - because I know I had something like this working on another model once. 

    If I'd tried the replace face I would have got there also, but @MichaelPascoe is right, ideally I want it to follow more than one surface, so extrude to part results in less steps, as I have to create the surface in the replace face strategy in any case, I may as well create the part.

    I'm not sure replace face is the best name for this feature. I'd never thought to try it before. I don't have a better name though. Trim to face? It does not rhyme though.

    @MichaelPascoe you are also correct that we want the face to remain at the same angle. Manually it works as you suggest by using lots of move faces to multiple vertex in the sketch. The problem arises because the number of fins is controlled by a pattern, the mechanics of which which is controlled by a length parameter.  So, there is a possibility the number of fins will change, and this manual exercise will need to be tweaked as we push to fabrication.

    I'm now going to try extend to part approach on the first fin, then apply a reverse draft thing to the end to make the end at perpendicular again, then add all this to the pattern as feature and see where it gets to !


      

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    MichaelPascoeMichaelPascoe Member Posts: 1,767 PRO
    edited September 2022
    @steve_shubin Yep, Camtasia is the secret. Its extremely well made and its not subscription based so its a one time purchase. 
    Here are some transition examples that it comes with. There are about 100 more or so.



    @robert_stiles If you find yourself doing this in most of your daily workflows, consider writing a custom feature for it. It looks like there are quite a few things you could automate to save time. Feel free to reach out to me if you or your company is interested in automating your Onshape workflow to get rid of those repetitive tasks. This is one of the things I do with CADSharp B)

    Learn more about the Gospel of Christ  ( Here )

    CADSharp  -  We make custom features and integrated Onshape apps!   cadsharp.com/featurescripts 💎
  • Options
    eric_pestyeric_pesty Member Posts: 1,626 PRO
    You might also be able to achieve what you want by making the parts "sheet metal". You could just do a cut to trim all the bottom along that "slope" but it if they are sheet metal it should keep the ends "straight" like this:


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    robert_stilesrobert_stiles Member Posts: 110 PRO
    Ha! now thats good @eric_pesty. Very nice. Thanks. I have to start getting into the sheet metal features. I think there are a lot of "not intended usage" type usages for us. 

    @MichaelPascoe thanks for the offer. We do a lot with feature script already (but not me personally!). But sometimes, if it feels like a use-case which is not that idiosyncratic, it feels there is a ready baked feature hiding in Onshape already. I think eric has found one in this case!

    Thanks again everyone, great responses. 
  • Options
    MichaelPascoeMichaelPascoe Member Posts: 1,767 PRO
    Excellent find @eric_pesty!

    Learn more about the Gospel of Christ  ( Here )

    CADSharp  -  We make custom features and integrated Onshape apps!   cadsharp.com/featurescripts 💎
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    steve_shubinsteve_shubin Member Posts: 1,070 ✭✭✭✭
    @MichaelPascoe

    thanks for that info about Camtasia

    i’ve got to give them a call because it looks like I could buy the program for half price if I go through the Mac store.

    so I wanna make sure I’m getting the full version. From what I read it sounds like I basically am but I still have to wonder why it’s so much cheaper through the Mac store


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    robert_stilesrobert_stiles Member Posts: 110 PRO
    We built this in the end by the way. Thanks everyone.



    and here


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