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Project Box

This advanced level lesson will take students through the process of designing an original product. Having been challenged to create a protective case for a Raspberry Pi 4, Arduino Uno, BBC Microbit or other microcomputer of your choice, and received a client brief, market research, and a product specification, students will be supported to produce a Product Design Specification (PDS). Students should detail their process from analyzing the information they have been provided with to producing a 3D printed final prototype design and presenting it to a client (you) for sign off. During the lesson, they will learn about prototyping techniques, the iterative design cycle, the importance of giving/receiving feedback and why modifying a design based on the client’s feedback is essential.

Subjects: Design and TechnologyScienceComputingArt and DesignMathematics
Years | Grades: 10th Grade | 14-15 years11th Grade | 15-16 years12th Grade | 16-18 years13th Grade | 18-19 years
Duration: Lesson 1: 45 minutes Lesson 2: 90 minutes Lesson 3: 45 minutes Print Time : 2 to 8 hours per group

Objectives

Compile a PDS as specified in the lesson plan
Produce 3 initial prototype designs meeting the client brief and product specification
Complete at least one cycle of the iterative design process
Produce 1 final prototype design meeting the client brief, product specification and modifications required following the client and peer critical review
3D model the final prototype design using a CAD program
3D print the final prototype design

Tools and equipment

1 x Raspberry Pi 4 / BBC Microbit / Arduino Uno or alternative suitable microcomputer

Skill requirements

This is an advanced level lesson aimed at senior students and requires a moderate level of technical knowledge and ability. You may adapt this lesson to suit junior students but please be aware that this will alter the curriculum alignment and lesson goals.

To participate in the lesson, students should be able to:

Have an intermediate understanding of Additive Manufacture (AM) and CAD
Be comfortable using technical language and producing simple technical drawings
Be comfortable producing simple technical drawings
Use TinkerCAD, Fusion 360 or Similar CAD software at an intermediate level
Be comfortable using DeeControl2 software including adjusting print settings
Using the BE3D eDee 3D printer

3D models overview

Total print time 44 hours 30 minutes
Total filament 95 m
Additional non-printable components
Printed all at once

GENERIC BOX TOP

4 hours 30 minutes
9.5 m

GENERIC BOX BOTTOM

4 hours 30 minutes
10.5 m

GENERIC BOX 2 BOTTOM

7 hours 30 minutes
10.5 m

GENERIC BOX 2 TOP

3 hours 30 minutes
9.5 m

BOX FOR ARDUINO UNO BOTTOM

1 hour 30 minutes
4 m

BOX FOR ARDUINO UNO TOP

1 hour 30 minutes
4 m

BOX FOR MICROBIT COMPUTER BOTTOM PART

4 hours
10.6 m

BOX FOR MICROBIT COMPUTER TOP PART

2 hours 15 minutes
6 m

SLEEVE BOX FOR RASPBERRY PI 4

6 hours 30 minutes
10.5 m

SPACE BOX FOR RASPBERRY PI 4 TOP

1 hour 45 minutes
2.5 m

SPACE BOX FOR RASPBERRY PI 4 BOTTOM

1 hour
2 m

RASPBERRY PI 4 CASE BOTTOM

2 hours 15 minutes
5.4 m

RASPBERRY PI 4 CASE TOP

2 hours 15 minutes
5 m

Note: Values are calculated for one set of models.

Lesson resources

Lesson plan
Example case(s)
Example microcomputer devices
Worksheet and additional materials (Client brief, Market research feedback, Product specification)
Walkthrough
Presentation
3D Models
3D Print instructions
Curriculum Alignment: ISTE standard compliant

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