![]() Things we write manuals and methodologies around. ![]() There are other things we just accept as normal. It wouldn’t have been so bad, except that there were over 100 unique parts in the model. ![]() Yet, just this week I opened a model and somehow all references were lost. I’m going to pretend for a moment I haven’t spent 20+ years making sure my assemblies properly reference my parts. Now, let’s break these down and see how Fusion 360 approaches it differently. You know, in contrast to bottom-up modeling: Creating parts and adding them to an assembly. Here’s my definition of top-down design: Creating parts in context of an assembly. A smarty-pants, scholarly person on Wikipedia described top-down design as “breaking down of a system to gain insight into its compositional sub-systems in a reverse engineering fashion.” What-evs. I’ll cover that feature here in a moment, but it will make more sense if we have a better understanding of top-down design (or layout, skeleton, or multi-body modeling). In our first article, I mentioned five features in Fusion 360 and one of those features was As-Built Joints. Sound familiar at all? Well, this is where Fusion 360 approaches assemblies a little differently. I faced this frustration many times when just wanting to model up an idea–thinking about assembly structure when I just wanted to think about assembly design. But even before that, you consider how to build and organize the parts and assemblies? Bottom-up? Top-down? Sketch-driven? Parametric modeling is great for many, but not so friendly for conceptual modeling. If you’re a SolidWorks or Solid Edge user, you’re comfortable with building assemblies by mating components together. You’re provided a downloadable Fusion 360 model used for each step in the exercise and the exercise ends with a walkthrough video for you to become fully confident in your new assembly creation skills.“Where we’re going, we don’t need mates.” The last section in the course focuses on “Distributed Design Strategies,” which addresses scenarios where teams of designers are collaborating on a single design and work on smaller sections of that design.Įach of these sections wraps up with hands-on exercises, which allow you to master the concepts and techniques learned throughout the course. Understanding Joint creation is a crucial aspect of creating assemblies, since it’s a relatively new workflow in CAD modeling and is significantly different than the commonly used method of adding mates to parts. The next section focuses heavily on creating Joints and how they control the positions and motion of the components in the assembly. ![]() The Fusion 360 Assemblies course begins by walking through some higher level concepts of assembly structure, including topics like the differences between bodies and components as well as how to insert other designs into a main assembly. Components can then have joints applied, which relates the parts to one another and enables certain degrees of motion. With Fusion 360 you can create all of the parts in a single design, and then set them as “components” in an assembly. ![]() With many other CAD programs the parts must be designed first, and then inserted into a separate assembly file. The advantage comes from being able to design both parts and assemblies in the same design space. Fusion 360 offers one of the most powerful and convenient workspaces for bringing your assemblies to life. ![]()
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