AQA GCSE Design and Technology · 8552
Paper 1
Revise: Prototyping tools and processesExtrusion forces material through a shaped opening in a die to produce a continuous length. Its defining feature is a constant cross-section: the profile remains the same along the length, as it does in a pipe or plastic beading.
- Revise: Commercial processes for polymers
The shape seen when an object is sliced across its length. A constant cross-section stays the same along the length.