3D-Printed Slices and Traces of Functions of Two Variables

I have been using OpenSCAD to generate mathematical objects for 3D printing. Many months ago, I tried using ChatGPT as a coding assistant for OpenSCAD. It was pretty terrible. There was a lot of hallucinating regarding what code OpenSCAD would accept. Recently, I thought I’d try again. It is much better now! I’m teaching Multivariable…

My Two-Day Crash Course in PGFPlots and TikZ

I will be teaching multivariable calculus in the fall. During the semester, I’ll have to make numerous figures in two-and three-dimensional space for exams and handouts. One of the things I wanted to do this summer was to learn how to use TikZ to create graphs and other graphics in my LaTeX documents. After a…