Drawing practice is simply technical drawing. Technical drawing is the language used by engineers and architects to interpret objects, symbols, lines, curves and conventional representations on paper.
Drawing
Instruments:
Drawing instruments are tools used in technical drawing that do not get consumed while using them. They include the following:
Drawing instruments are tools used in technical drawing that do not get consumed while using them. They include the following:
(i).
Drawing Board: This is a flat wooden
board with a smooth, rigid surface. It is suitable for A3 paper.
(ii). Tee-square: This is a T-shape instrument containing a head and a stock. It is used for drawing all horizontal lines and for setting the paper on the board.
(iii). Set-square: We have the 450 and 300/600 set-squares. They are used for drawing vertical and angled lines.
(iv). Rules: This is a 30cm wooden or plastic instrument, used for measuring lengths and for dimensioning scaled drawings.
(v). Protractor: The protractor is used for measuring angles in degrees.
(vi). French curves: This instrument is used to draw different shapes of curves.
(vii). Drawing set: This is a pack containing different drawing items like pair of compasses, divider, etc.
Drawing Materials:
Drawing materials on the other hand, are items that get consumed with use. They include the following:
(i). Drawing paper: The paper commonly used for technical drawing is the A3 paper. Other drawing papers are the A1, A2, A4, etc, depending on the work to be done.
(ii). Pencil: The 2H pencil is used for construction lines, ‘H’ is for lettering and thickening of visible lines. The HB pencil is good for free-hand sketching.
(iii). Pencil sharpeners: This is a material used to sharpen all pencils to a conical point shape.
(iv).Emery cloth: Instead of re-sharpening the pencil, this material is used to restore sharpness to the pencil.
(v). Brush: The brush is used to remove dirt from the paper after erasing.
(vi). Eraser: This material is used to remove mistakes. It is made of soft quality rubber.
Drawing materials on the other hand, are items that get consumed with use. They include the following:
(i). Drawing paper: The paper commonly used for technical drawing is the A3 paper. Other drawing papers are the A1, A2, A4, etc, depending on the work to be done.
(ii). Pencil: The 2H pencil is used for construction lines, ‘H’ is for lettering and thickening of visible lines. The HB pencil is good for free-hand sketching.
(iii). Pencil sharpeners: This is a material used to sharpen all pencils to a conical point shape.
(iv).Emery cloth: Instead of re-sharpening the pencil, this material is used to restore sharpness to the pencil.
(v). Brush: The brush is used to remove dirt from the paper after erasing.
(vi). Eraser: This material is used to remove mistakes. It is made of soft quality rubber.
Care and Storage of
Drawing Instruments and Materials.
To care
for their drawing instruments, students should do the following:
(i). Do not use any sharp objects on the edges of the drawing board.
(ii). When not in use, cover the face of the board to avoid dust.
(iii).The Tee-square should not be used as a sword or staff to play with.
(iv). Never use any sharp object on the edges of your set-squares.
(v). When you are not working with your instruments, keep them on their sheaths and packs.
(vi). Drawing paper should be kept in a flat file or jacket.
(i). Do not use any sharp objects on the edges of the drawing board.
(ii). When not in use, cover the face of the board to avoid dust.
(iii).The Tee-square should not be used as a sword or staff to play with.
(iv). Never use any sharp object on the edges of your set-squares.
(v). When you are not working with your instruments, keep them on their sheaths and packs.
(vi). Drawing paper should be kept in a flat file or jacket.
REVIEW QUESTIONS
(i). Define drawing practice.
(ii). What is the difference between drawing instrument and drawing material?
(ii). What is the difference between drawing instrument and drawing material?
ASSIGNMENT
State the uses of the following drawing instruments and drawing materials:
i. Tee square
ii. Sketch pad
iii. Set square
iv. Eraser
v. HB pencil
GET MORE DETAILS
State the uses of the following drawing instruments and drawing materials:
i. Tee square
ii. Sketch pad
iii. Set square
iv. Eraser
v. HB pencil
GET MORE DETAILS
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ReplyDeleteGood job you. This is very helpful. For lesson plan on drawing instruments, follow the link - https://classbasic.com/2020/04/01/meaning-of-drawing-instruments-uses-of-drawing-instruments-basic-preparation-primary-5-basic-5-basic-technology/
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