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Kossel Plus Magnetic Carriage

This is a simple carriage which works with magnetic ball joints and Delrin or POM wheels.  You can get the wheels inexpensively from

This works nicely with my magnetic effector:

And with my magnetic ball joint rod ends:

It is based on my more universal Kossel carriage:

Contact me at if you need an inexpensive source for the ball studs and/or magnets.
2014-08-17:  Slightly improved the design.  Added a lip to better trigger the endstop switches.  Made the ball stud nut traps shallower.  Changed the angle for the ball studs from 30° to 45° to optimize the amount of freedom they offer.

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