Core Skills Analysis
3D Printing and CAD
- Will practiced translating 2‑D sketches into 3‑D models, strengthening spatial visualization and geometry concepts.
- He iterated on a long‑term project, applying the engineering design process: prototype, test, and refine his prints.
- Will calculated dimensions, volume, and material usage, linking math skills to real‑world manufacturing constraints.
- He documented design decisions and troubleshooting steps, building technical communication and problem‑solving habits.
Tips
To deepen Will's mastery, have him design a functional object (like a custom phone stand) that requires precise measurements and weight‑bearing calculations; pair the design work with a math journal where he records dimensions, surface area, and material cost estimates. Next, organize a mini‑workshop where Will teaches a younger sibling or peer how to navigate Tinkercad, reinforcing his own understanding through peer instruction. Then, challenge him to incorporate a simple mechanical component (e.g., a gear or hinge) and research how different filament types affect strength, encouraging interdisciplinary inquiry. Finally, let Will create a short video or blog post showcasing the evolution of his long‑term project, emphasizing clear technical writing and visual storytelling.
Book Recommendations
- The Way Things Work by David Macaulay: Explains the engineering principles behind everyday machines with detailed illustrations, giving context to 3‑D design and printing.
- 3D Printing Projects: Design and Build Your Own Miniatures by Claire B. Tully: A hands‑on guide with step‑by‑step projects that help middle‑schoolers apply CAD tools to create printable models.
- Hello Ruby: Adventures in Coding by Linda Liukas: Introduces logical thinking and problem‑solving through storytelling, supporting the computational mindset behind CAD design.
Learning Standards
- CCSS.MATH.CONTENT.8.G.B.6 – Solve real‑world problems involving volume and surface area of solids (applied in filament calculations).
- CCSS.ELA-LITERACY.WHST.6-8.2 – Write informative/explanatory texts about technical processes (e.g., documenting design iterations).
- NGSS MS-ETS1-2 – Design solutions to technical problems and evaluate them based on criteria (reflected in Will’s prototyping cycle).
- NGSS 3‑5‑ETS1-1 – Define a simple problem, develop a model, and test it (mirrored in the long‑term project workflow).
Try This Next
- Worksheet: Calculate the filament cost for a given print by measuring volume and using a cost‑per‑gram table.
- Quiz: Match CAD terms (extrude, fillet, chamfer) with their visual effects in a Tinkercad screenshot.
- Design Challenge: Sketch and model a simple gear set, then test its movement using printed parts.