CAD & technology · Higher

Rendering & visual enhancement

4 cards · 3 quiz · 0 exam
What you're learning in this topic

Learning intention WALT

We are learning about rendering & visual enhancement, specifically to understand:

  • 3D rendering: light source, materials, reflections, shade and sited environment
  • why rendered images are useful for non-specialist audiences

Success criteria WILF

  • I can describe 3D rendering: light source, materials, reflections, shade and sited environment
  • I can explain why rendered images are useful for non-specialist audiences

3D rendering techniques at Higher HIGHER

  • Light source: direction, intensity and type of lighting.
  • Materials: realistic metals, plastics and woods.
  • Texture: surface detail such as brushed metal or wood grain.
  • Reflections: shiny surfaces reflecting their surroundings.
  • Shade/shadow: shading and cast shadows giving depth.
  • Sited environment: placing the model in a realistic scene (a kitchen, a street). It shows scale, how it fits its surroundings and different conditions (day, night, weather).

Describe each technique applied to the model: one-word answers don't score.

Why use rendered images?

  • Non-specialists, such as clients and customers, can understand them easily.
  • They show colours, materials and textures realistically.
  • They can be used for marketing before the product exists, saving the cost of prototypes and photography.
  • Changes of colour or material can be shown quickly.

Physical models and 3D printing

A 3D-printed model gives a physical, tactile product. It can be held and tested, its proportions can be evaluated, and it can be shown to the target market. Unskilled users can produce accurate, complex models with little waste. "Cheap" and "quick" on their own don't score: say why or compared with what.

Key terms

Sited environmentPlacing a 3D model in a realistic scene to show scale and context.
Higher rendering techniquesLight source, materials, texture, reflections, shade/shadow, sited environment.
DecalAn image such as a logo applied to the surface of a 3D model.
Why render for a client?Easy for non-specialists to understand; shows materials and colours realistically.

Quick check

1. Placing a model of a house extension in a street scene is…

  1. A decal
  2. A cut-away
  3. Ray tracing only
  4. A sited environment
Show answer
D: A sited environment. Sited environment.

2. Rendered images are most useful for…

  1. Non-specialist audiences
  2. Manufacturers needing sizes
  3. Hatching sections
  4. Showing hidden detail
Show answer
A: Non-specialist audiences. Clients and customers.

3. A logo applied to a curved surface of a model is a…

  1. Texture
  2. Decal
  3. Material
  4. Light source
Show answer
B: Decal. Decal.

Printable worksheet

An I do, we do, you do worksheet for this topic, with a separate answer sheet.

Worksheet (PDF)Answers (PDF)