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3D Sketching in Fusion 360


Here's a workflow you'll definitely want to add to your arsenal of design techniques. We're gonna design one of my favorite Platonic solids, an Icosahedron. But here's the fun part - we'll design the entire thing with only one sketch. How is this possible and what kind of sorcery is this you ask? Well, cue 3D Sketch. It allows you to sketch on any plane and in any direction.


In this video lesson I'll show how combining 3D Sketch with just one constraint allows you to create such a complex design using a simple process. An Icosahedron is made up of 20 equilateral triangles. By definition, an equilateral triangle has 3 equal sides and the interior angles are also equal. If we approach the design based on this simple fact, we can greatly simplify the design process. This enables us to design most of the model with just one sketch tool - the Line tool, and just one constraint - the Equal constraint.


This example is a powerful lesson in using sketch constraints to greatly simplify your design process in Fusion 360. You'll want to master these constraints because not only will it make you a much more efficient designer but will also allow you to create designs that can be amended without breaking. A great resource is my free Fusion 360 Sketch Constraint Cheat Sheet which you can get here. Download the Constraints Cheat Sheet and print it or save it to your desktop and have it ready to reference when you start your next Fusion 360 design.


Follow along with video above and create your own icosahedron. In a future blog post I'll show how I use this model to create some fun laser cut and 3D printed lantern designs. Make sure to come back and check it out.

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댓글 10개


Enjoyed greatly, as always.

Chuck Wharton

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Vladimir Mariano
Vladimir Mariano
2021년 8월 06일

🙂That's great to hear Luis! Thanks.

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Seems my version I have to turn on 3d sketch from the beginning ... but finally got it worked out... now I want to know how you made the design on the sides!! :)

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Vladimir Mariano
Vladimir Mariano
2021년 8월 06일
답글 상대:

Hi Cathy, a video on making the designs on the sides will be up in the next few days.

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Gary Brown
Gary Brown
2021년 8월 01일

Vladimir, you are a wizard!! And a really good instructor, too.

THANKS

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Vladimir Mariano
Vladimir Mariano
2021년 8월 06일
답글 상대:

Thanks Gary! 🧙‍♂️

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the 3d sketch does not seem to work on my fusion 360 - am I missing something??

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Get my free Fusion 360 Constraints Cheat Sheet

and create designs that don't break when you need to make a change to your model!
Fusion 360 Sketch Constraint Cheat Sheet.jpg
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