What is the ideal workflow to design then assemble (and then go back to design)?

What is the ideal workflow to design then assemble (and then go back to design)?

Anonymous
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Message 1 of 9

What is the ideal workflow to design then assemble (and then go back to design)?

Anonymous
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I've been using fusion 360 to cut out plywood shapes that form my designs. This has worked well until today. I created a fixed stock piece and had laid out all my joints (from components) and realized I wanted to make a change to the original design.

 

What should I do when assemblying so I can preserve the ability to edit the design? It seems like I should copy the project before assemblying the components, but then my design is out of sync with my assembly, so I need to start over with the assembled project.

 

Thanks for any tips.

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Message 2 of 9

TrippyLighting
Consultant
Consultant

Please share your design. Th se questions are very difficult to answer without having access to the actual model / project to assess its structure.

Please export as .f3d and attach to next post.


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Message 3 of 9

Anonymous
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Hmm .. . my question was a general one. But I'll post an example. I don't have any designs, because this question is about how to go from a design to components and back. I can't get back to the design after assemblying, so everything I have wouldn't help. What I might need to do is a long screencast.

 

I'm thinking this is a very basic and general problem.

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Message 4 of 9

TrippyLighting
Consultant
Consultant

Aha. These answers to these general conceptual questions are usually better explained on a concrete example. I re-read your first post and I bleieve you are using a traditional top-down approach where you first design your components - the single plywood sheets - and then assemble them. However, in Fusion 360 you also can design bottom-up, meaning you can design the parts in place and referecencing of each other so changing the witdth of a tenon is automatically going to change the width of the mortise.

 

Many projets are going to end up as a mixture of bottom-up and top-down design.

 

These two screencasts are older and the menus and interfaces may have changed slightly, but the general approaches are still valid. Let me know if this helps.

 

http://autode.sk/1MMvhzr

 

http://autode.sk/18i8hYH

 

Edit:Here's a recorded session  from Autodesk University that explains top-down vs. bottom up.

 


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Message 5 of 9

Anonymous
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Maybe this will help. I'm following this tutorial.

 

https://www.youtube.com/watch?v=VZU_Jpyyc5M

 

Once the author builds the joints on the stock, say he wanted to go back and modify the design. Would he:

 

(1) have to start from scratch again?

(2) Have some option to re-assemble the design?

(3) Be able to go back into the history in a clever way and modify part of the design and then go back to the layout?

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Message 6 of 9

Anonymous
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Here is a good example from this morning. I'm at the point where I want to print out a prototype (via laser cutter/cardboard).

 

My natural instinct is to create joins and lay all my bodies (now components) flat so I can go to cam settings. But I know I'm just getting started on my design and I want to go _back_ to the 3d design. How can I go back and forth.

 

Lauren

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Message 7 of 9

HughesTooling
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I gave you some advice in your other thread, you should use components from the start don't use Create Components from bodies if you can help it. I guess one way to layout the parts would be to copy and paste the components and arrange the copies how you want to cut them, any modifications to the originals will update the copies.

 

Mark

Mark Hughes
Owner, Hughes Tooling
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Message 8 of 9

TrippyLighting
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Accepted solution

I've watched the first video you psted last night. While it does a good job explaining the overall process from modeling through CAM to a final prouct, the Fusion 360 related modeling part exhibits a number of shortcomings and not recommended work practices. It may be ok for this simple shelf, however for more complex designs it won't sufice. The two main hints Mark has already provided.

 

  1. The first thing the vast majority of people should to is to create a component and activate it. For newly created components the activation is automatic. If you have more components, beore eiting one, activate it.
    • thist will ensure that all objects created, sketches, joint origins, construction geomery etc. are created in that component. 
    • on actvating a component, the timeline on the bottom of the screen willget filetered to show only those operation pertaining to that component.
  2. Name yoor stuff. Everthing that you might want to get back and eidit should have a distinctive name so you can easily identify it. Sketch 1,3,4 is not very desriptive 😉

3. The work practice employeed in that video is in general that you make a master, or skeleton sketch that everything is referenced off. That can be a sketch does not need to be in a component an can reside in the top level sketch folder. However, For the sake of better organization I'd not use that sketch to directly extrude the first component from.

 

I'd create an empty component, start a sketch there and then project only the needed sketch elements from the master sketch into the new sketch and hten use that to extrude the first component.

Then I'd make a second component and to the same thing. This is a little more work, but it really keeps things better organized, and will certainly help down the road.

 

 


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Message 9 of 9

Anonymous
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You have totally changed my workflow and I'm really appreciating it. Thanks.

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