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Flexi-Saur

This project highlights an important capability of 3D printing, called “print-in-place”. The ability to construct a fully assembled item from scratch, complete with working hinges and articulation, is currently unique to 3D printing. Across 2 x 90-minute lessons, students will create a model of their chosen dinosaur type. Then they will split the model into sections and add print-in-place hinges. Lastly, they will 3D print their very own “Flexi-Saur”.

Subjects: Design and TechnologyHumanitiesScienceComputingHistory
Years | Grades: 8th Grade | 12-13 years9th Grade | 13-14 years10th Grade | 14-15 years11th Grade | 15-16 years
Duration: Lesson 1: 90 minutes Print time: ~ 1 hour 30 minutes Lesson 2: 90 minutes

Objectives

Create a 3D model of your chosen dinosaur
Split your model into sections and add print-in-place hinges
Slice and print your Flexi-Saur model

Tools and equipment

BE3D eDee printer and computers with CAD software
Example hinges
Example Flexi-Saur

Skill requirements

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

Use TinkerCAD, Fusion 360 or Similar CAD software at an intermediate level
Be comfortable with the principles of print-in-place hinges and their design
Be comfortable using DeeControl software including adjusting print settings
Use the BE3D eDee printer

3D models overview

Total print time 12 hours 10 minutes
Total filament 26.7 m
Additional non-printable components
Printed all at once

BALL AND SOCKET HINGE

10 minutes
0.05 m

BRACHIOSAURUS

1 hour 15 minutes
2.6 m

BRACHIOSAURUS 2

1 hour 15 minutes
2.6 m

CONE AND SOCKET CUTAWAY

1 hour
1.8 m

DOUBLE CONE AND SOCKET HINGE

2 hours 45 minutes
7.7 m

FLEXI DINO EGG

2 hours 45 minutes
6.6 m

LIVING HINGE

10 minutes
0.12 m

OVERSIZED PIN HINGE

40 minutes
1.7 m

PIANO HINGE

1 hour
2 m

SIMPLE BALL AND SOCKET HINGE

20 minutes
0.5 m

SIMPLE PIN HINGE

50 minutes
1.1 m

Note: Values are calculated for one set of models.

Lesson resources

Lesson plan
Example hinges
Example Flexi-Saur
Worksheet
Walkthrough
Presentation
3D models
3D print instructions
Curriculum Alignment: ISTE standard compliant

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