Sub topics: Planes and views in space Line inclined to horizontal and vertical plane Instructional objectives: By the end of this lesson, students should be able to: Define true length of a line. Locate true length of a line. List the conditions that bring about true length of a line.
Orthographic Projection
Sub topics: Definition Principles of orthographic projections Types of orthographic projections
Orthographic Projection
Sub topics: Orthographic views (First Angle)
1ST ANGLE PROJECTION
Orthographic Projection
Orthographic views (Third Angle) Conversion of given orthographic views to isometric views
3RD ANGLE PROJECTION
Building design and working drawing
Sub topics: Building design process
Building design and working drawings
Sub topics: Preparation of working drawings showing: a) building plans b) elevations c) electrical and plumbing symbols d) dimensions