Athanasios Pozantzis has a new free plugin that connects points and creates splines in C4D.
Athanasios Pozantzis offers up a free workflow plugin for Cinema 4D every once and a while to make a few lives a bit easier. His latest is called Network, a spline generator plugin that connects points using distance and max connections.
The plugin works with various stuff in C4D, including any mesh object, generators, or even splines. It even has support for C4D Fields. Download Network for C4D here.