New
New
Year 8

Exploring 3D art materials with casting (paper and plaster)

I can explore casting techniques through hands-on experimentation to create casts using plaster and paper.

New
New
Year 8

Exploring 3D art materials with casting (paper and plaster)

I can explore casting techniques through hands-on experimentation to create casts using plaster and paper.

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Lesson details

Key learning points

  1. Casting is a sculpting process that allow us to create replicas or translate modelled sculptures into durable materials.
  2. Hands-on experimentation with materials fosters a deeper understanding of their properties.
  3. Exploring different casting methods supports informed choices and more intentional outcomes in future projects.

Keywords

  • Casting - a sculpture making technique where a malleable material is formed in mould

  • Mould - a hollow container used to shape the malleable material

  • Undercut - a part of the mould that curves around the object or cast in a way that makes it hard to remove the object from the mould. It can trap the cast inside the mould if not designed carefully

Common misconception

Plaster and paper will behave the same way in a mould.

Plaster and paper have very different properties. Plaster sets quickly and picks up fine details. Paper air dries more slowly and shrinks more as it dries. It might not show fine texture as clearly.


To help you plan your year 8 art and design lesson on: Exploring 3D art materials with casting (paper and plaster), download all teaching resources for free and adapt to suit your pupils' needs...

The Additional materials has deeper context on artists. Be mindful of the health and safety around plaster (exothermic reaction & dust).
Teacher tip

Equipment

Tray or board, clay, plaster of paris, bowls, stirring sticks, petrolium jelly or cling flip, tissue paper, glue and water mix, objects to cast over, like small toys, keys etc.

Licence

This content is © Oak National Academy Limited (2025), 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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6 Questions

Q1.
What does the word form mean in art and sculpture?
a colour scheme
a flat sketch
a painting style
Correct answer: a 3D structure
Q2.
A sculpture in relief is raised from a flat surface but not fully ...
Correct Answer: 3D, three dimensional, 3 dimensional, three d
Q3.
Match the sculptural method to its description.
Correct Answer:carving,shaping by cutting from a solid block

shaping by cutting from a solid block

Correct Answer:modelling,shaping soft material by hand or tools

shaping soft material by hand or tools

Correct Answer:construction,building a structure from various materials

building a structure from various materials

Q4.
What are the first steps in creating a form using papier mâché?
Let it dry.
Correct answer: Mix glue and water.
Paint the form.
Correct answer: Tear paper into strips.
Q5.
Sculptures can be presented in different ways, including freestanding, stacked, in relief or ...
Correct Answer: hung, mounted, suspended, dangled
Q6.
What material is most likely to be carved to create a sculpture?
metal
fabric
paper
Correct answer: wood

6 Questions

Q1.
What is casting in sculpture?
carving from wood
drawing with clay
Correct answer: forming material in a mould
painting with plaster
Q2.
A is a hollow container used to shape a soft material in casting.
Correct Answer: mould
Q3.
Match the keyword to its correct meaning.
Correct Answer:casting,a sculpture technique using a mould

a sculpture technique using a mould

Correct Answer:mould,a hollow shape used to form materials

a hollow shape used to form materials

Correct Answer:undercut ,a part of the mould that traps the object

a part of the mould that traps the object

Q4.
Which material is commonly used in the casting process?
cardboard
ink
Correct answer: plaster
wool
Q5.
Testing different materials helps develop a better understanding of their ...
Correct Answer: properties, qualities, characteristics, limitations, benefits
Q6.
Why should you explore different casting methods in your work?
to avoid drawing and sketching
Correct answer: to make better, informed choices in future projects
to save time and create more work quickly
to use up materials which are old

Additional material

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