CAD Computer aided design - Designs created using a computer application such as 2D design or Sketch Up, CAD Computer aided manufacturing - Making a product using a device such as a laser cutter or 3D printer, Subtractive manufacturing - Making a product by cutting and shaping materials be hand or using machines though a process known as wasting, Additive manufacturing - Making a product through laying down layers of material via 3D printing, Draft angle - An angle of 5 to 10 degrees cut in the side of a mould to help it to be removed, Thermoforming plastic - Polymer with bonds in chains that can be re heated and reformed in methods such as vacuum forming or 3D printing, Thermosetting plastic - Polymer with bonds in a net or web like structure which are formed in its manufacture which cannot be reheated to reform, Sensory evaluation - Taste testing an rating food items based on their look, taste, texture and smell, Vacuum forming - The re shaping and forming of flat sheets of thermoforming plastics over a mould using a vacuum to pump out air below the mould, MDF - Medium density fibre board, a manufactured board made from wood pulp and glues, Specification - A list of requirements a product must, should and may have in order to be successful., Aesthetics - How a product looks, feels and sounds., Product analysis - Looking at existing products in order to evaluate what is or is not successful about them to aid designing. , What type of drawing is this? - Isometric with lines at 30 or 60 degrees and vertical lines, What type of drawing is this? - Oblique with lines at 90 degrees and 45 degrees as well as vertical lines, What type of drawing is this? - One point perspective, with a horizon line and one vanishing point, What type of drawing is this? - Two point perspective, with a horizon line and two vanishing points., What process is pictured? - 3D printing, a form of additive manufacturing.,

Year 9 Resistant Materials

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