Rapid Prototyping · SHS2 Manufacturing Engineering

Lesson notes

Learning Objectives

Indicator: 2.2.2.LI.2 - Use AutoCAD to create 2D and 3D models.

By the end of the lesson, learners can:

Launch AutoCAD and set up a new drawing workspace with the correct units and limits for a given component.
Create accurate 2D geometric models of simple manufactured components using drawing and editing commands taught in earlier lessons.
Convert a 2D profile into a 3D model using the Extrude or Presspull command.
Apply visual styles and basic viewing tools (Orbit, Zoom, Shade) to inspect 3D models from multiple angles.
Save, share, and present their 2D and 3D drawings to the class and respond constructively to peer feedback.

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Curriculum details

Strand: Design and Prototyping (Strand 2)
Sub-strand: Rapid Prototyping (2.2)
Content standard: 2.2.2.CS.1 - Demonstrate the application of computer graphics in 2D modelling. 2.2.2.LO.1 Create geometric figures using AutoCAD.
Indicator: 2.2.2.LI.2 - Use AutoCAD to create 2D and 3D models.
Suggested placement: Semester 2, Week 3 (Week 23 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 65

Exemplars (from the NaCCA curriculum)

Experiential Learning: Learners to create and edit 2D and 3D drawings using AutoCAD. Share drawings with the rest of the class for comments.
Project-Based Learning: Learners individually produce 2D and 3D models of components for manufacture, share their drawings and receive feedback. Encourage learners to tolerate and respect comments.
Teaching and Learning Materials:
- Textbooks
- Library
- Computer laboratories
- Licensed AutoCAD software
Assessment (2.2.2.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning; Level 4 Extended critical thinking and reasoning.