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Geometric Shapes

The Geometric Shapes project will introduce students to the concepts of 3D nets to create 3D polygon shapes. Students will research different 3D polygons and their nets before choosing their favorite model for 3D printing. While the project is intended to be a single lesson with printing following the lesson, the project can be extended to a second lesson by exploring different net solutions for their 3D polygons or choosing a different shape.

Subjects: Design and TechnologyScienceMathematicsComputing
Years | Grades: 7th Grade | 11-12 years8th Grade | 12-13 years9th Grade | 13-14 years10th Grade | 14-15 years11th Grade | 15-16 years
Duration: Lesson 1: 90 minutes Print time: ~ 2 hours

Objectives

Construct a net for a variety of geometric 3D shapes
Use TinkerCAD software to build a net for a 3D shape suitable for 3D printing
Construct a model of a geometric 3D shape using 3D printed components

Tools and equipment

be3D eDee 3D printer
A computer with CAD software
Example 3D polygons
Paper / pencils

Skill requirements

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

Comfortably navigate the internet in a safe manner to access the online image converter
Use TinkerCAD, Fusion 360 or Similar CAD software at a beginner/intermediate level
Comfortably use DeeControl software and adjusting print settings
Use the be3D eDee 3D printer

3D models overview

Total print time 3 hours 25 minutes
Total filament 6.8 m
Additional non-printable components
Printed all at once

Poly Snap Equilateral

30 minutes
0.7 m

Poly Snap Hexagon

1 hour 15 minutes
2.9 m

Poly Snap Pentagon

1 hour
2 m

Poly Snap Square

40 minutes
1.3 m

Note: Values are calculated for one set of models.

Lesson resources

Lesson plan
Example ‘poly snap’ geometric shapes
Worksheet
Walkthrough
Presentation
3D models
3D print instructions
Curriculum Alignment: ISTE standard compliant

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