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3D Printing Blueprints

You're reading from  3D Printing Blueprints

Product type Book
Published in Aug 2013
Publisher Packt
ISBN-13 9781849697088
Pages 310 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Joe Larson Joe Larson
Profile icon Joe Larson

Table of Contents (17) Chapters

3D Printing Blueprints
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Design Tools and Basics 2. Mini Mug 3. Face Illusion Vase 4. SD Card Holder Ring 5. Modular Robot Toy 6. D6 Spinner 7. Teddy Bear Figurine 8. Repairing Bad Models 9. Stretchy Bracelet 10. Measuring – Tips and Tricks Index

Cleaning up bad geometry


Now, the model should be watertight, but it is hardly clean and non-manifold. Now is the time to locate, identify, and fix the non-manifold points:

  1. Clear the selected points (A).

  2. Select all non-manifold points (Shift + Ctrl + Alt + M).

Unfortunately in sealing the edges, non-manifold geometry was accidently introduced into the model. All of the currently selected points represent a problem in the model that should be fixed.

The first step is to remove any points that are occupying the exact same spot:

  1. Select all the points (A).

  2. Click on the Remove Doubles button in the left-side bar.

  3. When that is done clear the selection (A).

  4. Select the non-manifold points again (Shift + Ctrl + Alt + M).

  5. Choose one of the selected points and zoom in on it.

Deleting an extra edge

The previous screenshot is zoomed in on one such place. The darker grey areas indicate that there are multiple surfaces overlapping each other in that area, two faces on top of each other. There is some edge on the...

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