Drawing Instruments and Material II

Basic Technology J.S.S 1 Second Term

WEEK 4

Drawing Instruments and Material II

Performance Objectives

Students should be able to:

1. Demonstrate correct techniques for handling drawing instrument and materials

Content

Drawing Board

A drawing board with its working surface upward. The top surface of the board is perfectly smooth and level. A drawing board is rectangular in shape and is made of well-seasoned softwood such as oak or pine. A straight ebony edge is fitted on the left side on the board against which the head of the T- square moves.

 

                                           Drawing Board (Top)             Drawing Board (Bottom)

 

 

Drawing Sheet 

 The drawing is frequently made in pencil on the drawing sheet. The best drawing sheet has the…