This tutorial - like the Meier Plugins - can still be used in current versions of Cinema 4D. It's a tutorial I did a long time ago, but it might still be useful. The tutorial shows how to model pipe connections using the free Coffee plugin "Zylinder-to-Zylinder II" by Jürgen Meier. The project files can be downloaded here: https://www.dropbox.com/s/7wfzy3avrlec0og/Joining%20Pipes.zip?dl=0
