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LinkedIn Learning

3D Scanning: From Mesh to Model

via LinkedIn Learning

Overview

Learn how to go from a 3D scan to an optimized model that fits into nearly any product design workflow.

Interested in learning the basics of reverse engineering? In this course, instructor Nick Kloski helps you get up to speed, covering the fundamentals of reverse engineering using 3D scan data as a basis. As he details key concepts, Nick steps through how to go from a 3D scan to an optimized model that fits into nearly any product design workflow. He reviews the technologies available for 3D scanning, including photogrammetry and structured light. Using Artec structured light scanners as an example of capture technology, Nick goes into a workflow using inexpensive or free software to perform a complete reverse engineering workflow. See how to convert the scan (a mesh) into an optimized form, and bring it through Fusion 360 to create a solid model that can be flexibly incorporated into product design workflows.This course was recorded and produced by HoneyPoint3D. We are pleased to host this training in our library.

Syllabus

Introduction
  • Go from 3D scan to CAD model
  • Tools and cost discussion
1. What Is 3D Scanning?
  • What is 3D scanning?
  • Resolution vs. accuracy
  • Hobbyist vs. professional scanners
  • Uses for 3D scanning: Reverse engineer
  • Uses for 3D scanning: Organic
  • 3D scanning can blend both uses
2. What Is Reverse Engineering?
  • What is reverse engineering?
  • Case study: Automotive
  • Case study: Consumer product
  • Case study: Medical prosthetics
  • Tools for reverse engineering
  • Accuracy addendum
3. How to Approach Reverse Engineering Projects
  • What is your role and goal for RE?
  • Don't forget there are professionals
  • Metrology and Micro-CT awareness
4. Acquiring 3D Scans: Inexpensively
  • Scans using photogrammetry
  • Photogrammetry products
  • Photogrammetry tips for success
  • Photogrammetry issues may not be bad
  • Leveling up your photogrammetry game
5. Acquiring 3D Scans: Professional Tools
  • Scans with Artec structured light
  • Artec scanning workflow
  • Cleaning up and aligning scans
  • Meshing and evaluation of mesh
  • Artec techniques
6. Post-Processing Scans
  • Introduction to the free tool Meshmixer
  • Smoothing
  • Hole filling
  • Advanced mesh repair
  • Aligning for RE, part 1
  • Aligning for RE, part 2
  • Mesh reduction for CAD import
7. Reverse Engineering Done Inexpensively
  • Introduction to Instant Meshes
  • Processing OBJ files with Instant Meshes
  • Reverse engineering workflow guidelines
  • From Instant Meshes to Fusion 360
  • Importing quad models into Fusion 360
  • Convert and repair for solidity
  • What the resulting model looks like
8. Reverse Engineering Using Fusion 360: Mesh Sections
  • Fusion 360 for reverse engineering
  • Importing STL files and aligning
  • Creating mesh sections
  • Fitting curves to mesh sections
  • Evaluating curve tolerances
  • Reverse engineering: Example
9. Reverse Engineering Using Fusion 360: Sculpt Objects
  • Importing STL models and aligning
  • Sculpt face snapping introduction
  • Choices for retopology: Lines or full
  • Converting to solid model
Conclusion
  • Comparing to the original scan
  • Conclusion and next steps

Taught by

Nick Kloski

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