From the course: Design for Additive Manufacturing: FDM

Sketching the box - Fusion 360 Tutorial

From the course: Design for Additive Manufacturing: FDM

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Sketching the box

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- [Instructor] Let's start a new sketch to define the size of our box. Our sketch tools are up here. You can click on the dropdown menu to access the full list, but the three most common ones are here at the top. We'll click on create sketch and then choose the ground plane which is the XY plane. Let's start with a rectangle. Choose it from the sketch menu. Click first on the origin and then drag out to the side. I'll type 70 for 70 millimeters and then hit the Tab key and type 70 again and click Enter to enter the dimensions of the box. So the great thing about Fusion 360 is that it's a perimetric modeler. Sketches really drive the geometry so any dimension that you'll find in a sketch can be changed now or later on. All you need to do is just double click on the measurement and you can enter something new, double click, and then just before we move on, let's make sure to get these back to 70. We can also define parameters in another way. If you go up to the modify menu and go all the way down to the bottom to change parameters, we'll enter some user parameters that we're going to need for our project so I'll click on this green plus icon. The first parameter I'm going to add is wall thickness. Now I'm going to be working with an Ultimaker 3, printer I'm using HERA and that actually has a default line width of 0.35 and so based on the some of the information earlier in this course, I've done some tests and for a four thread width wide wall, I need a wall thickness of 1.3 millimeters. I've already got my units set and I can choose OK. Let's add a couple more. I'll add box height and I'm going to enter 70. Another one we'll choose gap and I'll enter 0.5. So to create the hinge in this project, we need to leave some gaps so that the barrel doesn't fuse together. 0.5 is a pretty loose clearance to leave and it's a good place to start. The nice thing about all three of these parameters is that we can go back at any time and change them. The geometry where we use these parameters will be updated. Okay, let's choose OK. I want to do one final bit of housekeeping here. Over on the browser menu, I'll click on the dropdown arrow next to sketches. Click on sketch one and then click on it a second time to rename it. I'll type it box and click Return. To finish up, on the end of the toolbar over here, I'll click on stop sketch.

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