Ball Vertex

Experimenting with different types of connectors, I would like to reduce the number of hardware fasteners required to build any one of a number of structures. This thing is a OpenScad file which can form a number of connection and vertex pieces. The connections and vertices are meant to receive a rod of a specified diameter (default 8mm). It is parameterized such that you can change various settings such as ball size, connector length, rod diameter, connection angle, and the like.

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