Core Skills Analysis
3D Printing and CAD
- Will applied geometric concepts by creating precise dimensions and angles in TinkerCAD, reinforcing his understanding of shapes, volume, and spatial relationships (CCSS.Math.Content.8.G.B.6).
- Will practiced the engineering design cycle—defining a problem, brainstorming, prototyping, testing, and iterating—building problem‑solving skills aligned with NGSS engineering standards (MS-ETS1-1).
- Will translated a visual idea into a digital model, strengthening his ability to read and produce technical drawings, which supports CCSS.ELA-LITERACY.RST.6-8.7 for interpreting technical information.
- Will evaluated material constraints and printer settings, learning about real‑world limitations and cost‑benefit analysis, a key aspect of quantitative reasoning in CCSS.Math.Content.7.RP.A.3.
Tips
To deepen Will's mastery, guide him to redesign his model for a different printer scale, encouraging him to recalculate dimensions and surface area. Pair the project with a brief research task on how 3D printing is used in medicine or aerospace, and have him present his findings in a short video. Introduce a collaborative challenge where he and a peer must combine two printed parts into a functional mechanism, fostering teamwork and iterative testing. Finally, set up a reflection journal where he records design decisions, setbacks, and the physics behind material strength, linking theory to practice.
Book Recommendations
- The Way Things Work Now by David Macaulay: A visually rich guide that explains the principles behind modern machines, including 3D printing, making complex engineering concepts accessible to middle‑school readers.
- Maker Lab: 28 Super Cool Projects by Jack Challoner: Hands‑on projects that blend coding, electronics, and 3D design, offering step‑by‑step challenges perfect for a budding maker like Will.
- Girls Who Code: Learn to Code and Change the World by Reshma Saujani: While focused on coding, this book highlights computational thinking and creative problem solving, reinforcing the logical skills used in CAD modeling.
Learning Standards
- CCSS.Math.Content.8.G.B.6 – Understand volume and surface area through 3D modeling.
- CCSS.Math.Content.7.G.B.6 – Apply scale factor reasoning when resizing designs.
- CCSS.ELA-LITERACY.RST.6-8.7 – Integrate and evaluate technical information from multiple sources.
- CCSS.ELA-LITERACY.WHST.6-8.7 – Conduct short research projects to answer questions about 3D printing applications.
Try This Next
- Worksheet: Scale Conversion – Provide a list of real‑world objects and ask Will to draw them at 1/4, 1/2, and full scale in TinkerCAD, calculating new dimensions each time.
- Quiz: Identify the correct printer settings (layer height, infill percentage) for strength versus speed trade‑offs.