3D printed joints

How to make a joint for a movable structure?

The design of the articulation started having as a case study the above working model.The joints were designed in order to serve specific movements which will provide the required mobility in the construction.
In order to have full movement, the construction require 12 articulation.
The essential function of almost all the joints is the rotation round an axis. This axis, and the union, are connected to the basic unit on which we can find connected maximum three related extensions.
However it could not be given the necessary mobility in construction if had not designed a central articulation. It’s basic function is to retain the overall grid. In this case the metal bar did not articulate but glide through the joint.

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