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ENS 209
Introduction to Computer Aided Drafting and Solid Modeling

Faculty Faculty of Engineering and Natural Sciences
Semester Fall 2026-2027
Course ENS 209 - Introduction to Computer Aided Drafting and Solid Modeling
Time/Place
Time
Week Day
Place
Date
09:40-11:30
Mon
FENS-G035
Sep 28-Dec 31, 2026
12:40-13:30
Tue
FENS-G032
Sep 28-Dec 31, 2026
Level of course Undergraduate
Course Credits SU Credit:3, ECTS:6, Basic:1, Engineering:5
Prerequisites -
Corequisites ENS 209L
Course Type Lecture

Instructor(s) Information

Utku Seven

Course Information

Catalog Course Description
ENS 209 is concerned with the basic and important principles in technical drawing, computer-aided design (CAD) and 3D solid modeling. Based on an understanding of engineering design, the course will discuss both hand drafting and the use of computers for 2D drafting and 3D solid modeling simultaneously. Topics include projection types, engineering drawings, hand drafting techniques, computer-aided technical drafting and design, orthographic projection and 2D drawings, 3D (pictorial) drawings, representation and manipulation of curves and surfaces, geometric models and data structures, solid modeling, dimensioning, dimensional tolerances, assembly modeling and analysis.
Learning Outcomes:
1. Analyze the design process, product life cycle and the advantages of using computers in design process
2. Interpret and identify technical drawings based on the projection system used
3. Sketch the required standard views of a given 3D object
4. Prepare technical drawings including additional views like section views, auxiliary views, detail views and break views
5. Construct pictorial views like oblique views, axonometric views and perspective views
6. Model and manipulate free-form curves and surfaces used in solid modeling
7. Implement construction and manipulation methods for solid bodies in CAD modeling, including CSG, B-Rep, and geometric transformations.
8. Assign dimensions and tolerances to the views correctly. Use dimensions, dimensional tolerances to describe sizes, shapes and locations accurately on an engineering drawing
9. Work with a CAD software to model 3D parts, to design assemblies with constraints and to generate technical drawings of its components and assembly drawings
10. Work effectively in a team to analyze a product (assembly) to dissect and design it by using a CAD software
Course Objective
To teach the basic and important principles in computer-aided drafting and design (CADD), and 3D solid modeling. Based on an understanding of engineering drawing, the course will further introduce the use of computers for 2D drafting and 3D solid modeling.
Sustainable Development Goals (SDGs) Related to This Course:
Industry, Innovation and Infrastructure

Course Materials

Resources:
• Technical Drawing with Engineering Graphics, 14/E by Giesecke, Hill, Spencer, Mitchell, Dygdon, Novak, Lockhart & Goodman, Prentice Hall, ISBN-10: 0135090490
• Engineering Design Graphics with Solidworks 2019, 1/e by Bethune, Prentice Hall, ISBN-10: 0135401755
• Principles of CAD/CAM/CAE, 1/e by Lee, Prentice Hall, ISBN-10: 0201380366
Technology Requirements:
A laptop with a working Solidworks software installed. Solidworks installation guidelines will be provided.

Policies