character: Tommy the Techie
topic: Understanding 3D Printing
grade: 6
subject: Computer Science
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character: Techie Tina
topic: Introduction to CAD for 3D Printing
grade: 6
subject: Computer Science
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character: Professor Print
topic: Materials Used in 3D Printing
grade: 6
subject: Computer Science
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character: Builder Bob
topic: How 3D Printers Work
grade: 6
subject: Computer Science
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