3D Print Demo Design

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1. Print the first file. As you print, introduce students to the basics of 3D printing: XYZ motors, extruder, hot end, and filament. 2. The print will likely fail at some point. Encourage students to let it continue as long as possible without damaging their printer or making a mess. 3. When finished, stop the print and have students examine what happened - which parts turned out like the original model? Which parts look different? Why did it happen? 4. Develop a list of recommendations for 3D print design based on observations. 5. Print the second model. Have students watch and showcase some 3D printed designs. 6. The second design should print without problems. When finished, have the class examine how a different model orientation affected print quality: which parts look different? Why did it happen? 7. Revise the class list of recommendations for 3D print design if necessary. If a student misses this point, highlight the importance of avoiding slopes exceeding 70 degrees to ensure safe printing.