After Printing the MPCNC Model Parts they were measured an have a error rate of within 1/2 percent, this means that all printed models are correctly printed.
What surprised me was that none of the models that actually Stayed stuck to the build plate showed signs of warping.
Only a few had problems though these problems were not to adhesion they attributed to the Proximity sensor vibrating loose ...
This in turn changed the Z-Height causing the adhesion problem.

Had the most problems at the hardware store not correctly correctly placing the parts in the correct bins.
Will need to be more careful and measure when returning for replacements.