Fusion 360 - Master Model | Top Down Design

[@gnashermedia]

Great Video. It's really informative for me as a starter in modelling with Fusion 360. I want to design my own stuff to print on my 3D printer. Your Videos are really helping! Thanks!

[@robindebreuil]

I always assumed that Extrude's start object face had to be parallel to the sketch plane - I'll use this one a lot. Thanks for the tip!

[@Fusion360School]

You're welcome. In addition, the starting face does not need to be flat!

[@JuanAdam12]

Love it. The only caveat to the top-down approach, as is pointed out, is forgetting what's currently *active* when a new sketch is started, then getting lost in the hierarchy. In my experience (limited to objects with only a few components) this occurs when I'm not being meticulous about what I'm doing--just playing around. As the old saying goes, "Perfect planning prevents poor performance."

[@Fusion360School]

Having played around with this, I found that it is possible to drag sketches from top level to components. I am not sure what this does to the references though.

[@qcnck2776]

@@Fusion360School Not in front of F360 right now, but I wonder if there is a copy/paste-new type command for sketches, which may avoid referencing the old top level sketch.

[@Fusion360School]

@@qcnck2776 Hi, in this case, I don't think it would be a good idea to copy the sketch, since that would leave an unused sketch at the top level. I think that after dragging the sketch into the component, it should be possible to delete any old constraints and build new constraints that reference the component's origin.

[@goodtobegeek]

Please keep producing these - they're excellent! Thank you!

[@dadagetfly]

Thank's for sharing, I understood the subtleties that you explained so well

[@ja-no6fx]

I cant wait for the full video. Thank you

[@JacksonTravel]

thank you

[@av8za]

I really like the way you present the material. Showing what happens on the timeliness. Showing mistakes that new users are likely to make. Very well thought out material. How would you add some form of interference gap to the component lips. I could image 3D layers could cause issues there.

[@Fusion360School]

Thank you. For clearance, I would recommend activating one of the housings and pull back on the lip/groove using press pull/offset.

[@krankengineering]

Great video, love your explanations, I always learn something new!

[@calvin-7540]

@08:43 A suggestion for the cutting step, it is better to create an offset in between the joint of two parts if we need to fabricate the parts

[@Fusion360School]

Yes, most definitely.

[@agategemcom]

Best tutorials ever. Thank you!

[@gordon6029]

Excellent tutorials

[@beratuzun]

Thank's for sharing. Love it. Harikasın Dostum

[@ravidahiwala8410]

Thanks

[@iandrake4683]

So, there's no way to move the accidental sketch from the master model to the sub component? That's a bummer because I do that all the time.

[@Fusion360School]

When I tried this out, I was able to drag the sketch from top level to the component. But I am not sure what this does to the references. Maybe others in the community can chime in.

[@zencow]

@@Fusion360School I drag things into the proper component whenever I catch myself doing things under the wrong component. The only time references seem to be an issue is when you try to drag things in the timeline beyond the point where a reference is used. If operation B references operation A, it must come after A. Fusion will prevent you from moving B before A, or moving A after B.

[@Fusion360School]

Thank you, this is good to know. I often find myself starting over as I am worried about the references.

[@Moronicsmurf]

would love to see a video n surface modelling using the overbuilt approach.

[@Fusion360School]

I assume you mean a workflow with intersecting faces, trimming, stitching to become solid. Looking at my library, I am surprised that I have not done this before. Will definitely look for a good candidate to do one on.

[@Moronicsmurf]

@@Fusion360School yeah exactly. The whole thing of approaching surface modelling rather than approaching it from a solid that one changes.. Ive used fusion since its birth basically but are still fighting surface modeling, so would be interesting to see your take on it.. :)

[@MohitChauhan-bn3rq]

Please welcome to india

[@adventuresincubing]

Awesome tutorial. Is there a way to add clearances when using one body to cut the other? If this were to be 3D printed, the lip/groove would need about a 0.2mm clearance.

[@Fusion360School]

To create clearances, I would activate the relevant component and apply the offset face command.

[@kausthubhtsr9636]

Great video! Can you please make a video on creating part lines effectively in fusion..

[@Fusion360School]

Hi, thank you for the suggestion. I am not much of an expert on injection molding/casting processes. But I might do a basic drafting/parting line tutorial in the future.

[@JCBrissy]

Hi there! Great video. I have been looking around for such content to master different design workflows. Could you please comment on the drawbacks of using the Master Model approach? I tried to use the master model approach to make a parametric book shelf. The parameters that are tweakable are height, depth and number of shelves. Using the master model approach I created the shelves thanks to rectangular pattern and then created components out of the bodies. Unfortunately when I changed the number of shelves, in parameters, the model failed. Indeed the conversion from bodies to components is not taken care of by rectangular pattern. How can you use patterns/components and the Master Model approach?

[@Fusion360School]

"Could you please comment on the drawbacks of using the Master Model approach?" This is an interesting question. After thinking about it, I came to a rather ironic answer. It's greatest strength might also be it's greatest weakness. In the master model approach, we rely heavily on the way we build our constraints. If the constraints are defined well, changes will propagate to the components smoothly. If the constraints are not defined well, any small change to the model breaks everything down the line. Your case sounds interesting. I have not tried patterning bodies and then converting them to components before. Have you tried creating the seed body, converting that to a component and then patterning the components?

[@JCBrissy]

@@Fusion360School Thanks for your reply. This model then requires to have a full understanding of the product before designing. I suppose that comes with experience. What about the size of the model? I suppose there is a limit to the number of parts after which a bottom up approach is better to ease the complexity of the model and approach? " Have you tried creating the seed body, converting that to a component and then patterning the components?" It works way better but then when I try to modify only ONE of the components created via the pattern it changes them all. This is the reason I went the "pattern the body first" approach as that would allow modification on 1 of the patterned bodies only and not all of them. Thanks again!

[@Fusion360School]

@@JCBrissy I would say that if the size and shape of a component has got nothing to do with the overall size and shape of the assembly, it would be better to do it bottom up. I have yet to try a top down approach with lots of components. Not sure how stable that is. I totally understand your pattern problem. If fact, I had been meaning to do a video on how to change only one instance of a component. There does not seem to be an easy way!