JBrickBuilder connection model

[Ben Supnik]

Hi Mario,

I think I just found an example of a 2-degree of freedom ball-joint (as opposed to the three-degree-of-freedom "simple" ball joint):

Part 32494 (Technic Wheel Spindle Driver) and part 92906 (Technic steering constant velocity joint female).

These two parts directly form a u-joint; the pins in the ball keep the ball and socket from "rolling" independently.

I'll have to think more about this, but I think this requires three points to have a complete coordinate system, but is still a 'point' connection.

Cheers
Ben