Modified Parametric Pin Connectors (Round and Pointed, with Customizer)

It is often necessary to connect multiple 3D-printed parts together, either to allow one of the parts to rotate, or due to limitations in the printing process such as build size, preventing overhangs, or printing in multiple materials. These pins allow you to do that fairly easily when designing the parts, often not ever needing to glue anything (although you can use glue as well, if you want to ensure it will never come apart...)
I have included three different sizes of pin, and the ability to