The essence of the “Bottom-Up Assembly” Technique is that each part is created individually, and then all the parts are inserted into an assembly document and constrained to each other. If you’re coming from Autodesk Inventor or another CAD program then you’re likely already familiar with it. This is the traditional assembly modeling technique. Let’s take a look at Re-arranges screen to look at selected object.

Bottom-Up VS Top-Down Assembliesīefore we dive right into the world of bodies and components it’s important that you understand the difference between Bottom-Up Assemblies and Top-Down Assemblies – which will help you better understand WHY Fusion 360 is set up the way it is. Whether you’re an experienced CAD user coming from Autodesk Inventor or SolidWorks, or you’re completely new to the world of 3D modeling, this is the place to start.īy the end of this article, you’ll have a solid understanding of the difference between Bodies and Components and we’ll talk about the dubbed Fusion 360 Rule #1 and Rule #2. Understanding the difference between bodies and components is an important first step to becoming proficient in Fusion 360.

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