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Basic Drafting Tools
Drafting & Design TechnologyUnit 2
Compass
• Used to draw circles and arcs
Divider
• Used to transfer dimensions
Drafting Tape
• A specially-prepared tape used to adhere drawing media to the working surface
Dusting Brush
• Used to brush loose graphite and eraser dust from a drawing
Eraser
• Used to remove pencil lines and graphite smudges from a drawing
Erasing Shield
• A metal plate with various slots and openings used to protect line work when a portion of the drawing is to be erased
Irregular Curve
• Used to lay out any noncircular curve
Lead Pointer
• Used for sharpening mechanical pencil leads
Lettering Guide
• Used to lay out guidelines for lettering
Mechanical Pencil (Lead Holder)
• Used to hold leads of various hardness's
Protractor
• Used to measure angles
Scale
• Used to measure the length of a line
Template
• A thin, flat, plastic tool with various size openings of different shapes used to expedite the drawing of standard features
Triangle
• A thin, flat, right-angled piece of plastic or metal with acute angles of 45, or 30 and 60 used for drawing vertical or inclined lines that are multiples of 15
Rules for Maintenance and Care of Drafting
Tools & Equipment• Keep hands and
equipment clean• Keep all instruments
clean and dry• Do no bend templates
sharply• Do not use templates
or scales as straight edges for cutting tools
• Do not use templates as eraser shields
• Do not hit scales and triangles on edges
• Do not overextend compasses and dividers
• Clean plastic tools with soap and water only
• Do not stick compasses and divider points into scales and triangles
• Never sharpen leads over drawing or table surface