1

ME 150 Engineering Drawing 1

Lab 3: 2D Sketch (2)

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

2

Lab Objectives

• Patterns

– Mirror

– Circular

– Rectangular

• Exercises

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

3

Pattern

Patterns are tools to efficiently draw repetitive shapes by duplicating one feature.

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

4

Mirror

• Creates a mirrored copy of a sketch across an axis

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

5

Circular Pattern

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

• Duplicate selected sketch geometry and arranges it in an arc or circular pattern

6

Rectangular Pattern

• Duplicate selected sketch geometry and arranges it in rows and columns

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department

7

Exercises & Homework

• Exercises:– Page 2 (bottom left sketch)– Page 3 (2b) right sketch

• Homework– Page 4 (3b) left sketch

Umm Al-Qura UniversityCollege of Engineering & Islamic ArchitectureMechanical Engineering Department