- Hands-on #illustratingMath, love it 🤩 Even better, it's so easily extended into a student activity: They pick their own favorite function and build corresponding models with, e.g., cardboard. Creates a lovely gallery in the classroom.
- I created some OpenSCAD code to print these slices/traces of surfaces for a multivariable calculus class. I wrote about it on my blog and included a link to my GitHub page with the code. divisbyzero.com/2026/02/01/3...
- That was where this idea came from! bsky.app/profile/divb...
