Key words

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Isometric drawing
Pictorial drawing without any horizontal lines, 30 degrees, showing object in 3D
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Orthographic
drawing at right angles, 2D, used to show size, details of design
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Third angle orthographic projection
Most common, working drawing, uses front view, plan view, side view
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Hidden detail
Lines which you know exist but you cannot see
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Outlines
Exterior of object, thick lines, clear to see
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Hatch lines
45 degree angle, 3D effect
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Centre lines
Long dashes, go straight across, vertically and horizontally, overlap will usually be the centre
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Section lines
Show where an object will be cut (scissor icons show this)
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Short break lines
Wavy lines, show that an object is very long or has same cross section
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Sectional drawings
Drawings of objects as if they were cut in half
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Exploded drawings
How a object is assembled, sometimes include arrows showing which way an arrow goes, very complex drawings (flat-pack)
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Self assembly
Produced by a company, sold as flat-packs, instructions drawn in 3D makes it easier to visualise
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Scale drawings
Produced when a object is too big to be drawn on paper, objects appears smaller but everything will be in proportion
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Site plans
Drawings that show a project site from above (construction of buildings)
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Floor plans
Scaled own drawings, used by architects, shows how the inside of the building is laid out
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Schematic drawings
Produced for a practical function, usually electrical
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Surface developments
2D versions of bets that will be 3d, made out of many different materials, tessellated to reduce waste
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Surface development manufacture
Cut to size and shape on guillotines, irregular shapes die cutting is used, expensive, used when a large number of shapes are needed
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Joining and locking card
Card glued together or designed where it becomes self locking
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Encapsulation
Thin layer of plastic, boned to the surface by heat, gloss finish, wiped clean, expensive, durable (menus)
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Hue
A particular depth of colour
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Crop marks
4 corners of a page, tell printer where to crop, guillotine the printed image
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Anthropometrics
Make sure the products fits the customer
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Ergonomics
Designed for the customers needs
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Bleed area
3mm extra area at the edge of printed image, allows for misalignment when cropping the image
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Thermoplastic
Plastic that can be re shaped many times when it is heated
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Bought in
Components you have not made but have bought in for your project
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HDPE
High density polyethylene is a thermoplastic, used for strong containers, bottles and garden furniture
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6 R's
Rethink, refuse, reduce, reuse, repair, recycle
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Advantages of CAD
Quick, erase, rotate, zoom, saves time, links to cam
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Disadvantages of CAD
Expensive, designers have to be trained
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Advantages of CAM
Saves time, 24/7, no mistakes
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Disadvantages of CAM
Expensive, workers have to be trained, repairs cost alot
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Health and safety
Use the appropriate materials, tools are safe, protective clothing, do not get distracted, listen
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PPE
Personal protective equipment
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Other cards in this set

Card 2

Front

drawing at right angles, 2D, used to show size, details of design

Back

Orthographic

Card 3

Front

Most common, working drawing, uses front view, plan view, side view

Back

Preview of the back of card 3

Card 4

Front

Lines which you know exist but you cannot see

Back

Preview of the back of card 4

Card 5

Front

Exterior of object, thick lines, clear to see

Back

Preview of the back of card 5
View more cards

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