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      Lesson details

      Learning outcome

      I can create hollow compound 3D shapes in Tinkercad.

      Key learning points

      1. A compound shape is a shape that has been combined with another shape.
      2. 3D shapes can be grouped to make compound shapes.
      3. Hole shapes are used to create holes and hollows in solid shapes.
      4. Compound shapes can be hollowed out.
      5. A duplicate of a shape can be created by using copy/paste, duplicate or ctrl + c/ctrl + v.

      Keywords

      • Solid shapes - 3D shapes used in Tinkercad

      • Hole shapes - 3D shapes used in Tinkercad to create holes

      • Group - a tool used to combine shapes into a single shape

      • Compound shapes - created by combining two or more shapes

      Common misconception

      Every shape must be moved on its own once on the workplane, so it is better to not make changes.

      By grouping shapes that designers are happy with together, it makes it easier to move, rotate or scale them and make changes to the design.

      Teacher tip

      Step-by-step instructions can also be found in the 'Getting started' tutorial. A Tinkercad classroom can be set up for each class with prepared designs.

      Equipment

      Access to Tinkercad on tablet, chromebook or laptop.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What does “3-dimensional” mean?

      Having only length
      Having length and height
      Correct answer: Having length, width, and height
      Having only height and width

      Q2.
      Which of the following is a 3D shape?

      Square
      Correct answer: Cube
      Circle
      Triangle

      Q3.
      Which of the following best describes the use of Tinkercad?

      Coding video games
      Designing 2D animations
      Correct answer: Creating 3D models and simulations
      Writing essays

      Q4.
      What is the main purpose of the ViewCube in Tinkercad?

      To colour shapes
      To zoom in on your model
      Correct answer: To change your view of the 3D workspace
      To group shapes

      Q5.
      What does "translating" a shape mean in 3D design?

      Correct answer: Moving the shape to a different location
      Spinning the shape around
      Making the shape transparent
      Changing the shape’s colour

      Q6.
      If you scale a shape in Tinkercad, what are you doing?

      Correct answer: Changing the object's size
      Spinning the object around
      Moving the object to a new location
      Duplicating the object

      4 Questions

      Q1.
      What is a compound shape?

      A shape that is invisible
      Correct answer: A shape made by combining two or more simple shapes
      A shape with no corners
      A shape that changes colour

      Q2.
      In Tinkercad, what does the "Group" function do?

      Correct answer: Joins selected shapes into one compound shape
      Changes shapes into 2D
      Deletes all selected shapes
      Separates shapes into parts

      Q3.
      If you want to make a hole in a solid shape in Tinkercad, what should you do?

      Change its colour to white
      Use the mirror tool
      Drag the shape off the workplane
      Correct answer: Use another shape and set it to "Hole"

      Q4.
      Which Tinkercad tool would you use to separate compound shapes?

      undo
      home
      group
      Correct answer: ungroup

      To help you plan your 5 design and technology lesson on: Compound 3D shapes, download all teaching resources for free and adapt to suit your pupils' needs...