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# Unit 1: 02_An Introduction to 3D Modeling_

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## Jonathan Rothman

on 2 November 2014

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#### Transcript of Unit 1: 02_An Introduction to 3D Modeling_

Unit 1: An Introduction to 3D Modeling - Part 2
The Jump from 2 to 3D
The 'Geometries' of 3D Objects
Geometry (defined): the shape or form of a
surface or solid
.

Every object can be broken down into simpler
geometries
.
Unfolding
On a sheet of paper, write all of the 2D shapes you see in this 3D model.
Learning Objective
: YWBAT identify the 2D shapes that make up our everyday 3D objects.

Essential Question
: What is the role of polygons in 3D structures?
Ways of identifying the geometries of an object:
1. Slicing:
How many basic shapes can you break this object into?
Homework
:
1. Research an industry that 3D modeling or 3D printing is rapidly changing (like 3D Print Canal House representing a big change for the construction industry). Submit your findings via the form on model.nychscl.org
3. Break the larger shape into smaller, more easily recognizable 2D and 3D geometric shapes.
3D objects can look highly complex, but can usually be broken into simpler geometries. Surfaces with straight edges can be expressed as types of polygons.
http://www.mathopenref.com/polygon.html
Polygon Meshes
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