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  1. #10
    Set up a straight edge parallel to the master rail 300mm away and put a DTI on a carriage and moved it up and down the rail. There's about 0.25mm of twist/dip mostly near the rear of the machine.

    Only conclusion I can accurately draw however is that my DTI is too cheap as it moves all over the place i.e. doesn't return to zero after going up and down a few times...need a better quality DTI....
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    Neil...

    Build log...here

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