Modeling
Introduction to Engineering Design
2012 Project Lead The Way, Inc.
Modeling
The act of representing designs or ideas
in various forms in order to present or
evaluate a design.
Concept Modeling
Graphical Modeling
Mathematical Modeling
Comput

Additive and Subtractive
Solid Modeling
Introduction to Engineering Design
2012 Project Lead The Way, Inc.
Solid Modeling
Solid modeling is a type of 3D CAD
process that represents the volume of an
object, not just its lines and surfaces
Wireframe
Model

Activity 5.2a Geometric Constraints
Introduction
There are several types of constraints that can be applied within a 3D solid modeling
program to control the geometry associated with a solid model: geometric
constraints, dimension constraints, and assembl

Conclusion questions
Berfalin Guerrier
3.1 A
1. Explain the meaning of significant digits (or significant figures) in measurement.
Significant digits are digits in a decimal number that carry meaning indicating the certainty of the value.
2. Why is the me

berfalin Guerrier 4th period
Activity 5.2a Geometric Constraints
Conclusion Questions
1.Why is it important to use constraints when sketching with your 3D modeling program?
constraints make sketching much easier. It can make lines equal, move in a
certain

Conclusion questions
Activity 3.2 Unit Conversion
Berfalin Guerrier
1.
Why would you have to know how to convert measurements when looking at a technical
drawing?
You would have to know how to convert measurements when looking at a technical drawing so if

Conclusion Questions
1.
5.1 Berfalin Guerrier
What is the difference between a circle and an ellipse?
The difference between a circle and an ellipse is that a circles points are all equidistant from the center,
and an ellipse is the sum of its distances f

1. Construction lines are used to guide where you will draw your object lines to form lines and
shapes. Object lines are what compose the shape/figure.
2. Hidden lines "show" objects/shapes that are hidden in that perspective view. Center lines show
where