Might not be really clear so will try to take a photo...
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but.... Y axis, threaded rod use to translate the stepper rotation to a linear motion.... but should I fit just one capture nuts to one side or one to both sides of the gantry that connects to the X axis (same on X and Z).
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CNC will machine wood and not to hyper precision so not using linear rails etc.
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Regards,
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Dom
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