1. ME 150 Engineering Drawing 1
Lab 1: Introduction to Computer Aided Design and Draft (CADD)
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

2. Lab Information
In the lab section of engineering drawing course, students will apply drawing theories tought in lectures on Computer Aided Design and Drafting (CADD) applications.
Engineering Drawing 1 handouts are availables in University copy centre.
Lab Grades distribution:
Exercises 10%
Every week students are assigned to perfrom selected exersices from handouts. Assignments will be graded at the end of lab session by TA’s.
Midterm Exam 5 %
Midterm is scheduled to be conducted during 12th week in computer lab
Final Exam 15%
Final is sheduled to be conducted during 15th week in computer lab
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

3. Lab 1 objectives
Introduction to Computer Aided Design and Draft (CADD)
Advantages of CADD
AutoDesk Inventor Professional software package
Getting started with AutoDesk Inventor.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

4. Introduction to Computer Aided Design and Draft 1 of 2
Computer-aided design and drafting (CADD) is the process of using a computer with CADD software to design and produce drawings and models according to specific industry and company standards.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

5. Introduction to Computer Aided Design and Draft 2 of 2
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

6. Advantages of CADD 1 of 2
Increase in the productivity of the designer.
Improve the quality of the design.
 Better communications.
Creating documentation of the designing.
Creating the database for manufacturing.
Ability to create digital prototypes as oppose to costly physical prototypes.
Perform simulation including motion simulation, static simulation and finite elements analysis.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

7. Advantages of CADD 2 of 2 Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

8. CADD softwares
AutoDest Inventor
Solidworks
ANSYS
ProgeCAD

9. AutoDesk Inventor Professional software package
Autodesk Inventor is a software used for 3D modeling and 2D drawing. Inventor is a powerful CADD tool used for basic product design idea or virtual prototype with its complete set of drawings.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

10. Getting started with AutoDesk Inventor
Invertor has many types of files. Each type serves for specific purpose. Files type are:
Part files
Assembly files
Presentation files
Drawing files
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

11. Part Files
Part files are used to create single parts and sheet metal parts. Parts(components) can be combined to create complex assembly. Part files have the file extension .ipt.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

12. Assembly Files
Assembly files are used to create assemblies and subassemblies. Parts and subassemblies used to build an assembly are known as components. Assembly files have the extension .iam
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

13. Presentation Files
Presentation files are used to create exploded, animated, and stylized assembly models that show how separate parts and subassemblies interact within the full assembly. Presentation files have an .ipn extension.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

14. Drawing Files
Drawing files are used to create 2D drawings. Drawings reference existing part, assembly, and presentation files. Drawing files can have the extension .idw or .dwg
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

15. Staring inventor 1 of 4
Open Autodesk invertor by double clicking its shortcut on desktop or by selecting it from program list.
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

16. Staring inventor 2 of 4 New: launch new file
Open: open previous files stored.
Project: launch a project to include all related files into one location ( each student is recommended to launch personal project under his name)
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

17. Staring inventor 3 of 4 Click on Metric tab
Launch part file as indicated in illustration
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

18. Staring inventor 4 of 4 Get yourself familiar with the interface
Umm Al-Qura University
College of Engineering & Islamic Architecture
Mechanical Engineering Department

19. References
Madsen, D. P. (2009). Inventor and Its Applications Goodheart-Willcox Co.