Blender tutorial on Proximity effect in Geometry Nodes. Step-by-step guide, explaining each node and related parameters.

I've started working a personal program to design shapes with tubing (and produce G-code for a CNC tubing cutter I'm going to build). It's been roughly 20 years since I was last in a vector geometry ...

AN excellent introduction to the subject of vector analysis is provided by this book. It is admirably clear, and a natural temptation to develop so fertile a theory in excessive detail and to multiply ...