You're reading from Making Your CAM Journey Easier with Fusion 360

Product typeBook

Published inMar 2023

PublisherPackt

ISBN-139781804612576

Edition1st Edition

Concepts

3D Printing

Author (1)

Fabrizio Cimò

Understanding tessellation parameters

First of all, what is tessellation? Tessellation is a process where 3D CAD models are converted into 3D mesh models. This conversion is needed for 3D printing in order to calculate toolpaths.

In the following figure, on the left, we have a solid CAD model where the circle profiles are perfectly rounded, and on the right, we converted the model into a mesh via tessellation:

Figure 17.25: CAD geometry versus mesh geometry

The main difference between these two types of 3D geometries is how they are defined; CAD models are based on rigorous math equations and they can describe every shape without losing details. Mesh models, on the other hand, are based on a finite number of vertices and faces connected by edges.

Long story short, tessellation always loses details in the conversion process; that’s why it is important to understand how to set it properly. If the tessellation is too rough, we may end up with...

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Making Your CAM Journey Easier with Fusion 360

Published in: Mar 2023Publisher: PacktISBN-13: 9781804612576

Author (1)

Fabrizio Cimò

Fabrizio Cimò is an Italian engineer who has always had a passion for the world of 3D graphics and design. During his first degree in industrial design, he started uploading video lessons covering 3D modeling tools such as Rhinoceros, Blender, and Fusion 360 on his YouTube channel. Sometime later, Autodesk noticed his work and asked him to keep promoting Fusion 360 as an official student ambassador. During this time, he also joined Dynamis PRC, a racing team from Milano PT competing in the Formula SAE championship; thanks to this experience and his avid curiosity, he improved his knowledge of the manufacturing world. Today, Fabrizio works as a machine designer for an important company in the laser-cutting sector.
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Understanding tessellation parameters

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